adding known failure skip for system_app_crash b/31428310

Confirmed with ticket owner that a fix will happen in the next few
weeks.  Therefore adding a known failure skip and reproduction steps to
the bug.

Test: yes, forrest
Bug: 31428310
Change-Id: I8e0ce796dc8b044a2d2286db56e0af6d79b68aa2
1 file changed
tree: 6900c90c8ec74be930f712f003226a4256acdaa3
  1. build/
  2. docs/
  3. emu_test/
  4. libraries/
  5. scripts/
  6. tests/
  7. utils/
  8. PREUPLOAD.cfg