Merge "Show transient error strings in white" into sc-dev am: dfae7133 am: 63e0f357 am: a295cae4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15145292

Change-Id: I058e22f72e0323eaadf8c3dd26e4bb888131b97b