Merge "Hide unnecessary test method" into udc-dev am: 99ca3140 am: 27a3b468

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21738761



Change-Id: I74ff3325b4067f983c7ad09a0159899bed6f094c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>