Revert "Revert^7 "Rename build/make/target/board/Android.mk to a..."

Revert submission 3407461-revert-android-info-mk

Reason for revert: see b/381446065#comment27, not the root cause

Reverted changes: /q/submissionid:3407461-revert-android-info-mk

Change-Id: Ib2c1c3813a64390c5ab82b53d124fe0c073c1c5a