Add sysprop for identifying strict-run bugreports am: 2a5a1a92df

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/24241899

Change-Id: Ia3f8c5beb8fe80178f2502b3d3f03b786f2510d1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>