Merge "Remove unused system/build folders" into main am: 8db9f4f3 am: 0853c9ea

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2744174



Change-Id: Ie3b3746b77ad026550562819e88031b67c05eb3f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>