Revert "Update kernel to builds 7899086" am: 04bf65aead am: 7feb723545 am: 4d39444f04 am: 285df3dd87

Original change: https://android-review.googlesource.com/c/kernel/prebuilts/5.10/arm64/+/1888559

Change-Id: I899cf3aa47b41f7fe24b531d57459fa15824d739