Update to clang-r450784c am: 6840b8959c am: 071ee7f912

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2063319

Change-Id: I4ea62b5db2682ce857fe2115a4c871bc9b7d40cd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>