Switch jobs to use the build-timeout macro

This change configures all jobs to use the new build-timeout macro.
This macro enables the following:
1. exports a 'BUILD_TIMEOUT' environment variable which is set to the
   timeout value.
2. sets the build to a failed state when a timeout occurs.

Change-Id: Iebda7cccc2f808805a9b2d744c11892d1bf3bdef
Merge "Switch jobs to use the build-timeout macro"