Merge "Update to use clang-r399163b." am: 0b88bf33fc am: 18fc11a093 am: 55dd45d2eb am: 99ca618579

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1443739

Change-Id: I6c63b58596ee806168830aaca53764ccb88955d2