Fix NPE in DeqpTestRunner if duplicate results are reported

Test hang can currently cause framework to silently re-execute
instrumentation command, which will lead to already executed tests to be
ran and reported again. DeqpTestRunner didn't take that well and ended
up throwing NullPointerException. This CL makes runner to simply ignore
duplicate results.

Bug: 20054115
Bug: 20055035
Change-Id: Id00a968b82c42ee68ae556cd29a912a7a865b3d6
1 file changed