Add mtr file not_sparc_debug.inc in order to disable
a couple of tests which typically timeout after 900 seconds in debug mode.
Also disable for UBSAN builds.

Change-Id: I1eb026da9258b87281c8c3b73873eed42dd75c16
(cherry picked from commit 01d9325a2df6b6d4248bcd9e21dc6a361ac72ac7)