Suppress implicit-fallthrough warnings in audioflinger etc.

Add FALLTHROUGH_INTENDED for clang compiler.

Bug: 112564944
Test: build with global -Wimplicit-fallthrough.
Change-Id: I8875bc7ed073aae84d5df97eb39c8c745ca627ef

media/libaudioprocessing/tests/Android.mk

@@ -78,6 +78,8 @@ LOCAL_SHARED_LIBRARIES := \
     liblog \
     libutils \
 
+LOCAL_HEADER_LIBRARIES := libbase_headers
+
 LOCAL_MODULE := test-resampler
 
 LOCAL_MODULE_TAGS := optional

media/libaudioprocessing/tests/test-resampler.cpp

@@ -27,6 +27,7 @@
 #include <math.h>
 #include <audio_utils/primitives.h>
 #include <audio_utils/sndfile.h>
+#include <android-base/macros.h>
 #include <utils/Vector.h>
 #include <media/AudioBufferProvider.h>
 #include <media/AudioResampler.h>
@@ -87,14 +88,14 @@ int parseCSV(const char *string, Vector<int>& values)
                 }
                 return numValues;
             }
-            // fall through
+            FALLTHROUGH_INTENDED;
         case ',':
             if (hadDigit) {
                 hadDigit = false;
                 numValues++;
                 break;
             }
-            // fall through
+            FALLTHROUGH_INTENDED;
         default:
             return -1;
         }

services/audioflinger/Effects.cpp

@@ -248,7 +248,7 @@ bool AudioFlinger::EffectModule::updateState() {
     switch (mState) {
     case RESTART:
         reset_l();
-        // FALL THROUGH
+        FALLTHROUGH_INTENDED;
 
     case STARTING:
         // clear auxiliary effect input buffer for next accumulation

services/audioflinger/Threads.cpp

@@ -4357,7 +4357,7 @@ AudioFlinger::PlaybackThread::mixer_state AudioFlinger::MixerThread::prepareTrac
                     isActive = false;
                     break;
                 }
-                // fall through
+                FALLTHROUGH_INTENDED;
             case TrackBase::STOPPING_2:
             case TrackBase::PAUSED:
             case TrackBase::STOPPED:

services/audioflinger/Tracks.cpp

@@ -842,7 +842,7 @@ void AudioFlinger::PlaybackThread::Track::pause()
 
             // Offloaded track was draining, we need to carry on draining when resumed
             mResumeToStopping = true;
-            // fall through...
+            FALLTHROUGH_INTENDED;
         case ACTIVE:
         case RESUMING:
             mState = PAUSING;

services/audiopolicy/enginedefault/Android.mk

@@ -34,6 +34,8 @@ LOCAL_MULTILIB := $(AUDIOSERVER_MULTILIB)
 LOCAL_MODULE := libaudiopolicyenginedefault
 LOCAL_MODULE_TAGS := optional
 
+LOCAL_HEADER_LIBRARIES := libbase_headers
+
 LOCAL_STATIC_LIBRARIES := \
     libaudiopolicycomponents \
 

services/audiopolicy/enginedefault/src/Engine.cpp

@@ -25,6 +25,7 @@
 #endif
 
 #include "Engine.h"
+#include <android-base/macros.h>
 #include <AudioPolicyManagerObserver.h>
 #include <AudioPort.h>
 #include <IOProfile.h>
@@ -302,7 +303,7 @@ audio_devices_t Engine::getDeviceForStrategyInt(routing_strategy strategy,
             break;
         }
         // when in call, DTMF and PHONE strategies follow the same rules
-        // FALL THROUGH
+        FALLTHROUGH_INTENDED;
 
     case STRATEGY_PHONE:
         // Force use of only devices on primary output if:
@@ -343,7 +344,7 @@ audio_devices_t Engine::getDeviceForStrategyInt(routing_strategy strategy,
             device = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_SCO;
             if (device) break;
             // if SCO device is requested but no SCO device is available, fall back to default case
-            // FALL THROUGH
+            FALLTHROUGH_INTENDED;
 
         default:    // FORCE_NONE
             device = availableOutputDevicesType & AUDIO_DEVICE_OUT_HEARING_AID;
@@ -416,7 +417,7 @@ audio_devices_t Engine::getDeviceForStrategyInt(routing_strategy strategy,
                     outputDeviceTypesToIgnore);
             break;
         }
-        // FALL THROUGH
+        FALLTHROUGH_INTENDED;
 
     case STRATEGY_ENFORCED_AUDIBLE:
         // strategy STRATEGY_ENFORCED_AUDIBLE uses same routing policy as STRATEGY_SONIFICATION
@@ -466,7 +467,7 @@ audio_devices_t Engine::getDeviceForStrategyInt(routing_strategy strategy,
             }
         }
         // The second device used for sonification is the same as the device used by media strategy
-        // FALL THROUGH
+        FALLTHROUGH_INTENDED;
 
     case STRATEGY_ACCESSIBILITY:
         if (strategy == STRATEGY_ACCESSIBILITY) {
@@ -496,7 +497,7 @@ audio_devices_t Engine::getDeviceForStrategyInt(routing_strategy strategy,
             }
         }
         // For other cases, STRATEGY_ACCESSIBILITY behaves like STRATEGY_MEDIA
-        // FALL THROUGH
+        FALLTHROUGH_INTENDED;
 
     // FIXME: STRATEGY_REROUTING follow STRATEGY_MEDIA for now
     case STRATEGY_REROUTING:
@@ -681,7 +682,7 @@ audio_devices_t Engine::getDeviceForInputSource(audio_source_t inputSource) cons
                 device = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
                 break;
             }
-            // FALL THROUGH
+            FALLTHROUGH_INTENDED;
 
         default:    // FORCE_NONE
             if (availableDeviceTypes & AUDIO_DEVICE_IN_WIRED_HEADSET) {