Reland "Move coredomain seapp contexts to system_ext" am: e10dde6f74 am: 1f60dde90a am: 3f16b00c53

Original change: https://android-review.googlesource.com/c/device/google/redbull-sepolicy/+/2678575

Change-Id: I1cb0172a8eac23564439d94657f8de946c3f26d5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>