Merge "aconfig: move create flag info file api to aconfig_storage_write_api"...

Merge "aconfig: move create flag info file api to aconfig_storage_write_api" into main am: acfb82cf am: 6b926c93

Original change: https://android-review.googlesource.com/c/platform/build/+/3028943



Change-Id: I509b1c5c266f0ae85e017e5ac7a7b3afded54dc8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>