Merge "cc: Make generated_headers configurable" into main am: 274b3c95 am: 23c2f289

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/3131597



Change-Id: I1048966516b0cdc8115fcc4e43978a6ac516f114
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>