Merge "change container of device_state_flags from system to system_ext" into main am: d1fe77fd4d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3224362

Change-Id: Ib399f96c1d0753f5e59959c6438d02299d76e981
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>