DO NOT MERGE: Revert "Update kernel prebuilts to aosp_kernel-common-android-5.4-stable/6450012"

This reverts commit ff14ab04fbdd8cc264e3f9c330e2610eec2460ee.

Reason for revert: We want to start from AOSP

Change-Id: I2939d89f6463497bd7d0bcb0b5af3dabcb4572d2
Test: TreeHugger
Bug: 154972299
75 files changed