cros deploy: accepts paths to binary packages
cros deploy: accepts paths to binary packages

This adds support to allow users to specify a bianry package path to
use.

BUG=chromium:357724
TEST=`cros deploy device path/to/package`

Change-Id: I1445712c48930e3a2939f2678c9b86e277338654
Reviewed-on: https://chromium-review.googlesource.com/192182
Reviewed-by: Don Garrett <546ec366615570e68497e3c5df9092106a9808f4@chromium.org>
Tested-by: Yu-Ju Hong <52dc720c411f8e2156e608c1a8b894a917489667@chromium.org>
Commit-Queue: Yu-Ju Hong <52dc720c411f8e2156e608c1a8b894a917489667@chromium.org>

bpsinc-native/src_third_party_chromite,chadversary/chromiumos.chromite,bpsinc-native/src_third_party_chromite,chadversary/chromiumos.chromite,bpsinc-native/src_third_party_chromite