tree c1df1fda91d3fcd4c95d592b5390c4532af148f3
parent df81719ad3237223b5dbaec1eab6ee6197431a93
author Yang Liu <yangxliu@google.com> 1431126058 -0700
committer Yang Liu <yangxliu@google.com> 1431467688 -0700

Test Framework: modify build_all.sh.

1. if no adb device connected, do not do flash (even if flash flag was set in command line).
2. if multiple adb devices connected, flash all of them.

Change-Id: I81bbbab3331e88e94f322bbba796ac242381bf1c