Merge "Merge "Allow status bar to be transparent, and clear LIGHT flags." into...

Merge "Merge "Allow status bar to be transparent, and clear LIGHT flags." into rvc-dev am: 25602430 am: e9e55ae8" into rvc-d1-dev-plus-aosp am: 7b43feb0 am: b1cd171b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12166023

Change-Id: I9a83bb8d380b4ca8098ee4350eadb202820c8f24