Add audiotrack unit tests

Bug: 215781479
Test: atest audiotrack_tests

Merged-In: I63511129d5716b4fff18161692f195442b4ed16c
Change-Id: I63511129d5716b4fff18161692f195442b4ed16c
diff --git a/media/libaudioclient/tests/audio_test_utils.h b/media/libaudioclient/tests/audio_test_utils.h
index 2e0d14d..8885059 100644
--- a/media/libaudioclient/tests/audio_test_utils.h
+++ b/media/libaudioclient/tests/audio_test_utils.h
@@ -62,9 +62,9 @@
     status_t create();
     sp<AudioTrack> getAudioTrackHandle();
     status_t start();
-    status_t waitForConsumption();
+    status_t waitForConsumption(bool testSeek = false);
     status_t fillBuffer();
-    status_t onProcess();
+    status_t onProcess(bool testSeek = false);
     void stop();
 
     bool mStopPlaying;