Move turbo_adapter sepolicy to system_ext am: 1afa122215

Original change: https://android-review.googlesource.com/c/platform/hardware/google/pixel-sepolicy/+/2702373

Change-Id: I1e644d1dfb17555ad9700f2f5f7af3986a550b53
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>