Add InstructionPointerMemoryNullPointer to breakpad_unittests_disabled

BUG=303960
NOTRY=true
TBR=digit@chromium.org

Review URL: https://codereview.chromium.org/111593002

git-svn-id: http://src.chromium.org/svn/trunk/src/build@239760 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

android/pylib/gtest/filter/breakpad_unittests_disabled

@@ -1,4 +1,6 @@
 FileIDStripTest.StripSelf
+# crbug.com/303960
+ExceptionHandlerTest.InstructionPointerMemoryNullPointer
 # crbug.com/171419
 MinidumpWriterTest.MappingInfoContained
 # crbug.com/310088