Merge "[TimedTextUnitTest] use shared libstagefright_foundation instead of static" am: 0e6a9b93b0 am: 3de43237f3

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1811218

Change-Id: I6d910758632d07c6bbce320075017291600a6a4f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>