Increase timeouts for most tests

The minimum was doubled from 10 seconds to 20 seconds.  Some other groups
of tests had timeouts increased by 10-60 seconds.  This should help the
build server when it is bogged down by a backlog of submissions.
(cherry picked from commit d7d20a97a8e3c0dfcc6920fe48460deab46dafbc on
develop)

Conflicts:
	Build/FwBuildTasks.dll

Change-Id: I6b934e2a3a8e1810f37176c94effc43423b269d3