Add const to addBootConfigParameters am: adb2c3e451 am: ff16b1685e am: 0db6c06f06

Original change: https://android-review.googlesource.com/c/platform/bootable/libbootloader/+/1835128

Change-Id: I4bb928443fb9c61b20bcdc550f648ccde0b9e117
tree: 5ad446041332cc8d68dfefa1e53387413c54757d
  1. libxbc/
  2. vts/
  3. OWNERS