Android 12.1.0 release 26
Add libxbc for bootloader bootconfig support am: db746bf101 am: 2174268797 am: 94022972b4

Original change: https://android-review.googlesource.com/c/platform/bootable/libbootloader/+/1646463

Change-Id: Id17ce05a1e9fe307ec8673912e7e9124f57f52b0
tree: 9ca17f2be17f89776417c94d9a6d570140c06957
  1. libxbc/
  2. vts/
  3. OWNERS