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: e8516f5b

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



Change-Id: I6225590609a266887e18a2f519b7ba25ffbb5cce
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>