Update pixel-sepolicy to allow the wifi_ext AIDL service. am: 8043679cea am: f3ee4724f4 am: 8f667a5264

Original change: https://android-review.googlesource.com/c/platform/hardware/google/pixel-sepolicy/+/2261908

Change-Id: I14980cf6759f23b1dc7ccd7f7add6106156d62b9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>