Merge "Adding hover state to system icons in status bar and shade header" into...

Merge "Adding hover state to system icons in status bar and shade header" into udc-qpr-dev am: e74076cf am: 50ccb788

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24041603



Change-Id: I6ebbff3a13868d03d1f5933d218b49fe96caf254
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>