Merge "Allow libsnapshot to link to bsdiff." am: 0ed284a7e0 am: a6356c579a am: 15b9e810e3

Original change: https://android-review.googlesource.com/c/platform/external/bsdiff/+/1392522

Change-Id: I90124972b29daf7175b247ad1e583ae5580fe926