DO NOT MERGE: Revert "Add libprocessgroup dependency and fix sched_policy include"

This reverts commit 2699226386.

Reason for revert: Broke AOSP

Change-Id: Icdd182baad6a81b8fdbfd862b7eb3aada282f42f
Signed-off-by: Suren Baghdasaryan <surenb@google.com>

media/libaudioclient/Android.bp

@@ -42,7 +42,6 @@ cc_library_shared {
     shared_libs: [
         "liblog",
         "libcutils",
-        "libprocessgroup",
         "libutils",
         "libbinder",
         "libdl",

media/libaudioclient/AudioRecord.cpp

@@ -26,7 +26,6 @@
 #include <media/AudioRecord.h>
 #include <utils/Log.h>
 #include <private/media/AudioTrackShared.h>
-#include <processgroup/sched_policy.h>
 #include <media/IAudioFlinger.h>
 #include <media/MediaAnalyticsItem.h>
 #include <media/TypeConverter.h>

media/libaudioclient/AudioTrack.cpp

@@ -29,7 +29,6 @@
 #include <media/AudioTrack.h>
 #include <utils/Log.h>
 #include <private/media/AudioTrackShared.h>
-#include <processgroup/sched_policy.h>
 #include <media/IAudioFlinger.h>
 #include <media/AudioParameter.h>
 #include <media/AudioPolicyHelper.h>

media/libmedia/Android.bp

@@ -202,7 +202,6 @@ cc_library {
         "android.hidl.token@1.0-utils",
         "liblog",
         "libcutils",
-        "libprocessgroup",
         "libutils",
         "libbinder",
         "libsonivox",

media/libmedia/IMediaMetadataRetriever.cpp

@@ -23,7 +23,6 @@
 #include <media/IDataSource.h>
 #include <media/IMediaHTTPService.h>
 #include <media/IMediaMetadataRetriever.h>
-#include <processgroup/sched_policy.h>
 #include <utils/String8.h>
 #include <utils/KeyedVector.h>