Merge "Up contrast for empty overflow text" into rvc-dev am: b16cc118 am:...

Merge "Up contrast for empty overflow text" into rvc-dev am: b16cc118 am: a933f89f am: c53e4295

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11931374

Change-Id: I22267f920428716fb231c7664415def3a4d87295