Merge "Fix dropdown text is not clear in dark mode" into tm-dev am: a98c7e84 am: 2db3fb6a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17312084

Change-Id: Ib10fce74da1a6e2d23dde2ae4564c2854ba1674b