Merge "Check if an installed file exists and report error if not." am:...

Merge "Check if an installed file exists and report error if not." am: 0bbde417 am: 9d38ce97 am: 7c93b50e am: d3384fd6

Original change: https://android-review.googlesource.com/c/platform/build/+/2529028



Change-Id: I564f3e5f22b4f580b114d1cec167eec621c4a770
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>