tree a300d659c02833ed7c5d1ab30dd6bb52e41c8a09
parent f464e6e0acc63a2d4a9e646d6f4fbf1bb7137f90
author Steve Muckle <smuckle@google.com> 1589759058 -0700
committer Steve Muckle <smuckle@google.com> 1589760419 -0700

add API to get hash descriptor

The GKI verification VTS test will need to examine the boot partition's
hash descriptor, so add support to access this descriptor.

Bug: 148800209
Test: atest AvbTest#Boot
Change-Id: I92e32f61a265671ae0940c44147391f73776e66a