Update kernel to builds 7899086 am: 34adc7f725 am: d09d8b4925 am: f0782bb6c9

Original change: https://android-review.googlesource.com/c/kernel/prebuilts/5.10/arm64/+/1886109

Change-Id: Iaf0132f12b15241ac4373a5b46281d34c89eaf11