Update kernel to builds 7505743 am: ec9713feff am: a077c23963 am: 6adef4a033 am: ee058bc98c am: f2b46efab8

Original change: https://googleplex-android-review.googlesource.com/c/kernel/prebuilts/5.4/arm64/+/15151594

Change-Id: Idc417babac0f1ab3cc085bc07826b6fdd91310ab
Signed-off-by: Automerger Merge Worker <[email protected]>