Merge "Allow to load implicit layer from /vendor/app." into rvc-dev am:...

Merge "Allow to load implicit layer from /vendor/app." into rvc-dev am: 1371b76a am: f7acfa87 am: 1f6aca10

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11688191

Change-Id: I67817a9e98b884d903ed4bfe3a8533171630738c