Enable clang format hook for media/libaudioclient/tests am: a5aa99c9

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2189997



Change-Id: If7881c02af638b7a9c3596cd303d62e93a911abe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>