ARM suite test regressions: api.disA32, api.disT32, many more

We did not have ARM tests being run for a while. Now that we have a CDash machine back up, I compared its debug run yesterday to the most recent on that same machine name from April 2018:

http://dynamorio.org/CDash/viewTest.php?buildid=35255
```
Testing started on 2018-04-18 23:37:13
Name Status Time Details Labels
code_api|client.drmgr-test Failed 5s 810ms Completed (Failed)
code_api|linux.signal_race Failed 1m 30s 690ms Completed (Failed)
code_api|linux.eintr-noinline Failed 1m 30s 220ms Completed (Failed)
code_api|tool.drcachesim.invariants Failed 1m 30s 410ms Completed (Failed)
code_api|tool.histogram.offline Failed 1m 31s 760ms Completed (Failed)
code_api|tool.drcachesim.delay-simple Failed 8s 340ms Completed (Failed)
```

http://dynamorio.org/CDash/viewTest.php?buildid=44194
```
Testing started on 2019-06-21 23:30:26
Name Status Time Details Labels
code_api|linux.signal_race Failed 1m 30s 20ms Completed (Failed)
code_api|linux.eintr-noinline Failed 1m 30s 180ms Completed (Failed)
 code_api|linux.sigsuspend Failed 1m 30s 100ms Completed (Failed)
 code_api|tool.drcacheoff.simple Failed 6s 770ms Completed (Failed)
 code_api|tool.drcacheoff.filter Failed 8s 820ms Completed (Failed)
 code_api|tool.drcacheoff.opcode_mix Failed 7s 620ms Completed (Failed)
 code_api|linux.syscall_pwait Failed 10s 890ms Completed (Failed)
 code_api|client.predicate-test Failed 1s 110ms Completed (Failed)
 code_api|client.drreg-test Failed 1s 520ms Completed (Failed)
code_api|client.drmgr-test Failed 3s 410ms Completed (Failed)
 code_api|client.drutil-test Failed 2s 420ms Completed (Failed)
 code_api|sample.opcodes Failed 510ms Completed (Failed)
code_api|tool.drcachesim.delay-simple Failed 4s 110ms Completed (Failed)
 code_api|tool.drcacheoff.multiproc Failed 12s 390ms Completed (Failed)
 code_api|api.disA32 Failed 1s 360ms Completed (Failed)
 code_api|api.disT32 Failed 1s 430ms Completed (Failed)
```