Merge "Remove BOARD_BPT* variables and the bpt parition table image" into main...

Merge "Remove BOARD_BPT* variables and the bpt parition table image" into main am: f5350e96 am: 735fe497 am: 9aa95a1f am: ef486615

Original change: https://android-review.googlesource.com/c/platform/build/+/2654584



Change-Id: Ie4ffede0025a8b9e75d927d5d74d9e8ee0aa404c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>