Update kernel to builds 9277283 am: cb1fb89ca9 am: 886df36951

Original change: https://android-review.googlesource.com/c/kernel/prebuilts/4.19/arm64/+/2299837

Change-Id: I2963dc506c9ec13d69f213f51ab9bab30be2ccbc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>