Merge "Update Switch color to improve accessibility" into sc-dev am: 4e395b98 am: 72fd6b69 am: e13c6196

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15127246

Change-Id: I8a7a9a582a73d08177dcc12b42e5364714259002