Camera: VNDK: Fix deferred endConfigure due to missing sessionParam

In case the app doesn't provide sessionParameters, the VNDK should still
allow endConfigure() to be called to the camera service.

Test: Run test app and observe camera streams properly
Bug: 120505813
Change-Id: Ifa72dca61b8e25cd433d2c02c70b1c8e5e097228

camera/ndk/ndk_vendor/impl/ACameraDevice.cpp

@@ -754,8 +754,8 @@ CameraDevice::configureStreamsLocked(const ACaptureSessionOutputContainer* outpu
         const camera_metadata_t *params_metadata = params.getAndLock();
         utils::convertToHidl(params_metadata, &hidlParams);
         params.unlock(params_metadata);
-        remoteRet = mRemote->endConfigure(StreamConfigurationMode::NORMAL_MODE, hidlParams);
     }
+    remoteRet = mRemote->endConfigure(StreamConfigurationMode::NORMAL_MODE, hidlParams);
     if (!remoteRet.isOk()) {
         ALOGE("Transaction error: endConfigure failed %s", remoteRet.description().c_str());
     }

services/camera/libcameraservice/hidl/Convert.cpp

@@ -101,12 +101,14 @@ hardware::camera2::params::OutputConfiguration convertFromHidl(
 bool convertFromHidl(const HCameraMetadata &src, CameraMetadata *dst) {
     const camera_metadata_t *buffer = reinterpret_cast<const camera_metadata_t*>(src.data());
     size_t expectedSize = src.size();
-    int res = validate_camera_metadata_structure(buffer, &expectedSize);
-    if (res == OK || res == CAMERA_METADATA_VALIDATION_SHIFTED) {
-        *dst = buffer;
-    } else {
-        ALOGE("%s: Malformed camera metadata received from HAL", __FUNCTION__);
-        return false;
+    if (buffer != nullptr) {
+        int res = validate_camera_metadata_structure(buffer, &expectedSize);
+        if (res == OK || res == CAMERA_METADATA_VALIDATION_SHIFTED) {
+            *dst = buffer;
+        } else {
+            ALOGE("%s: Malformed camera metadata received from HAL", __FUNCTION__);
+            return false;
+        }
     }
     return true;
 }