Merge "Update lock icon resources" into sc-dev am: e0f79944 am: 2e8d79c7 am: a3b7426a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15314160

Change-Id: Id0fb90857ecc25afc1320da478361e88a47a22aa