paygen: Generate the payload hash and metadata hash together.
Due to recent changes in delta_generator, payload hash and metadata hash
are calculated together, calling it twice are just doing repeated work.
BUG=None
TEST=./paygen_payload_lib_unittest
Change-Id: I62c6a3621e2da882a5acd8209c17686152810806
Reviewed-on: https://chromium-review.googlesource.com/310226
Commit-Ready: Alex Deymo <deymo@chromium.org>
Tested-by: Sen Jiang <senj@chromium.org>
Reviewed-by: Matthew Sartori <msartori@chromium.org>
Reviewed-by: Alex Deymo <deymo@chromium.org>
2 files changed
