Merge "Add TASK_LAUNCHING_BEHIND to change flags" into udc-dev am: e5a0f54d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21910822



Change-Id: I2aadf06511f8471cf8a060f95967cc8c26ede6f4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>