commit 0da716bedb8d61afdb46d1871e3eea5c580c8fa2
author Jiawen Chen <jiawen@google.com> Tue Jan 28 15:31:08 2020 -0500
committer Jiawen Chen <jiawen@google.com> Wed Jan 29 11:05:46 2020 -0500
tree fbdb964c4dde886db167017aaff08ef3ecd8f1ed
parent 9d73033022f883101e17bed172ee63b421fd011e

Fix ACameraMetadata_fromCameraMetadata crash.

Root cause was that jclass instances acquired from JNIEnv::FindClass are
not pinned and become invalidated due to Java garbage collection. Adding
a new global ref pins the pointer.

FIXED=148174094

Test: atest android.hardware.camera2.cts.CameraManagerTest#testCameraCharacteristicsNdkFromSdk android.hardware.camera2.cts.CaptureResultTest#testCameraCaptureResultAllKeys
Test: atest NativeCameraDeviceTest NativeCameraManagerTest NativeImageReaderTest NativeStillCaptureTest

Change-Id: Id0601b9c01e1a58485e3b039a87a5cf56a19e0af