Merge "Convert MediaTranscodingManagerTest to junit 4" into android12-tests-dev am: ad4b4c97cd

Original change: https://android-review.googlesource.com/c/platform/cts/+/2194170

Change-Id: I3c5df8d10103f5a8f45b4a0de5059eadf4beab81
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>