Update kernel to builds 7394718 am: a84ff92187 am: d67653c5b9 am: 885de323d1 am: dd6e3cd49a am: 3c6afe874c

Original change: https://android-review.googlesource.com/c/kernel/prebuilts/5.4/arm64/+/1715705

Change-Id: I72f5c2a69d3df05cbb66a8fa0cbc962592567651