Merging 68 commit(s) from Chromium's toolchain-utils am: d865a56cd7

Original change: https://android-review.googlesource.com/c/platform/external/toolchain-utils/+/3045473

Change-Id: I11709f55d734706cadfff4ac18a3dff9d5a84cff
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>