Update kernel to builds 7775654 am: a416c9811f am: f8045b12a1 am: db8338ba82 am: 4d1c616fad am: b839392b94

Original change: https://android-review.googlesource.com/c/kernel/prebuilts/5.10/arm64/+/1839794

Change-Id: I347f9b5718154522f4ac54b76eaa8b87a2c7b4e2