Merge "Update tint for minimize button" into tm-qpr-dev am: 86564ee6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20873916



Change-Id: Ifc8c1f7bfaa56402b519b6c4fbfca31a28c4d0f6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>