Merge "aconfig: move `cache_` as a memeber" into main am: 8a64367c am: 03e048d0 am: a9958db2

Original change: https://android-review.googlesource.com/c/platform/build/+/2835795



Change-Id: Icb7410107929a9e2769af196304bfcb33fd0c9b1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>