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: bd5a6e88 am: 1b3b6ff8 am: 0ce108c0

Original change: https://android-review.googlesource.com/c/platform/build/+/2527433



Change-Id: Ibdb87f346766f2d24d0cf4ccd6da55cbd646c53a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>