added --info parameter to all gradle builds

to get more information from build server failures.

Change-Id: I6c8e6d5583c5b10d924a3dcd44b02d70ba8c41e2
ensure that build script exits if subshell fails

a failure within a subshell will not automatically exit the parent
shell even if -e is set in the parent.

Change-Id: I09b2eb3b4934fcbebed5a5dc411f29b96b44f0f4
enable verbose emulator builds to get more failure info

If there is a failure that only occurs on the build server, no
information about the failure is captured in the build log.  This
change should help.

Change-Id: Ibace3b566352ac4f9057a16fa895517a56381b58
Merge "enable verbose emulator builds to get more failure info" into idea133