Merge "Clean out old rustc compiler intermediates" into main am: 842d96dc...

Merge "Clean out old rustc compiler intermediates" into main am: 842d96dc am: 8644f9c8 am: 44b7e9e1 am: 5fccb407

Original change: https://android-review.googlesource.com/c/platform/build/+/2769746



Change-Id: I6082f12a93886f171f297cfdee18a24ee612f930
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>