Merge "add 4.19 kernel to aosp_arm64" into rvc-dev am: d9673e76 am:...

Merge "add 4.19 kernel to aosp_arm64" into rvc-dev am: d9673e76 am: 61802a76 am: 05541b40 am: e2b4420b

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/11887882

Change-Id: Ib3e8168e5da9c51c3f25f65620f8f3b2d4f068cb