Merge "Info the am instrumentation if test process attach failed." into tm-dev am: 91fa7a8d am: a0d66f4d am: 6bcc9149 am: 56c475b5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18111564



Change-Id: I545b7bd0934f7a5aac6dd856d0d8716ad3980916
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>