drcachesim.delay-simple and drcachesim.invariants fail on ARM

Created by: fhahn

There are 2 drcachesim test failures on ARM: drcachesim.delay-simple and drcachesim.invariants

The new AArch32 precommit builder shows the logs for the failing tests: http://jenkins.fhahn.com:8080/job/DynamoRIO-AArch32-Precommit/5/console

136/153 Test #133: code_api|tool.drcachesim.delay-simple ...........***Failed  Required regular expression not found.Regex=[^Hit delay threshold: enabling tracing.
Exiting process after ~1.... references.
---- <application exited with code 0> ----
Cache simulation results:
Core #0 \(1 thread\(s\)\)
  L1I stats:
    Hits:                         *[0-9,\.]*
    Misses:                       *[0-9,\.]*.
.*   Miss rate:                   *[0-9,\.]*%
  L1D stats:
    Hits:                         *[0-9,\.]*
    Misses:                       *[0-9,\.]*.
.*   Miss rate:                   *[0-9,\.]*%
Core #1 \(0 thread\(s\)\)
Core #2 \(0 thread\(s\)\)
Core #3 \(0 thread\(s\)\)
LL stats:
    Hits:                         *[0-9,\.]*.
    Misses:                       *[0-9,\.]*..
.*   Local miss rate:             *[0-9,\.]*%
    Child hits:                   *[0-9,\.]*.
    Total miss rate:              *[0-9,\.]*%
$
]  3.87 sec
Hit delay threshold: enabling tracing.
Exiting process after ~6104240175158657024 references.
---- <application exited with code 0> ----
Cache simulation results:
Core #0 (1 thread(s))
  L1I stats:
    Hits:                           10,239
    Misses:                             48
    Miss rate:                        0.47%
  L1D stats:
    Hits:                            3,447
    Misses:                            114
    Prefetch hits:                      18
    Prefetch misses:                    96
    Miss rate:                        3.20%
Core #1 (0 thread(s))
Core #2 (0 thread(s))
Core #3 (0 thread(s))
LL stats:
    Hits:                                2
    Misses:                            160
    Prefetch hits:                       1
    Prefetch misses:                    95
    Local miss rate:                 98.77%
    Child hits:                     13,704
    Total miss rate:                  1.15%

152/153 Test #141: code_api|tool.drcachesim.invariants .............***Failed  Required regular expression not found.Regex=[^.*
Trace invariant checks passed
$
] 90.03 sec