Move system app native crash and anr checks into presubmit

Bug: 35626956
Bug: 38454327
Test: verified that the tests have been passing consistently on
      Pixel targets and GCE AVDs based on past 7-day data:
      system_app_native_crash: 99.98% (1 out of 4553)
      system_app_anr: 100.00%

Change-Id: I17b70fcae680440fad314e58b0b75615251031e6