Merge "Downscale user icon when used for user switcher, bouncer and user chip...

Merge "Downscale user icon when used for user switcher, bouncer and user chip bar" into udc-dev am: 9fc75ac2 am: 7a24dc03 am: 15fa5f98

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22822056



Change-Id: I3eedf0ac21b834a2d63ea81fcce5efad3c85d669
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>