Update prebuilts to 7069541. am: ebf863dccb am: 47e5bd7704 am: a6d5110fa8

Original change: https://android-review.googlesource.com/c/platform/packages/modules/BootPrebuilt/5.10/arm64/+/1543884

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I1fb48fae1932cc3b20d20c2103d221b8282ee6e8
tree: b295d4ff499093b36054a06f316ce2f001ebcbf4
  1. boot-userdebug.img