Merge "Make max notification icon values resources instead of hard-coded...

Merge "Make max notification icon values resources instead of hard-coded vals." into udc-dev am: d166b3b8 am: 47b50a0a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22252108



Change-Id: I6e3be59607c0d6f838a05c30479743ea8d8b247c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>