[automerger skipped] Add support for loading a static overrides file located...

[automerger skipped] Add support for loading a static overrides file located in /product. am: ed60ceba am: b470b0d6 am: 6f83ff64 -s ours

am skip reason: Change-Id I73569744e718274255885d270ab8285956647f4c with SHA-1 93ca0db1 is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1614848

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I91ad32ad2e12c6472af5818d08e1fb1044e57616