Update kernel to builds 8108765 am: f77187df0a am: c4bd7bbeea am: e8ab7c1a8c am: f2b3f237e5

Original change: https://android-review.googlesource.com/c/kernel/prebuilts/5.4/x86-64/+/1957869

Change-Id: Ia2ba390efa221d426d7dc9280bad537da1e45e14