Merge "Remove 28.0 compat support" am: 3875d6c8 am: c32b3300 am: e7d0b7a3

Original change: https://android-review.googlesource.com/c/platform/build/+/2519775



Change-Id: I00f2661a69e93a96e27c58c595e9330ca4958950
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>