Add const to addBootConfigParameters am: adb2c3e451 am: ff16b1685e

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

Change-Id: I10743869827600dadb1be7b26eaeb7497cc1b69b
tree: 5ad446041332cc8d68dfefa1e53387413c54757d
  1. libxbc/
  2. vts/
  3. OWNERS