Update kernel to builds 9964412 am: 2c49973c6a am: a8f9ee5880 am: b5b5104132

Original change: https://android-review.googlesource.com/c/kernel/prebuilts/6.1/arm64/+/2546652

Change-Id: I745871fcdf0d0dc823db201c56f070ad48d5c3f3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>