Speed up tests

Remove less useful build/test configurations, and reduce the number of
iterations used for benchmarks, as those results are unused.

Approximately 20% improvement in test time.

Change-Id: I34de589df8a8bfa7118c691b9f036ee70352040c
diff --git a/tools/test.py b/tools/test.py
index fa07544..8300475 100755
--- a/tools/test.py
+++ b/tools/test.py
@@ -399,13 +399,14 @@
     for bench in benchmark_names:
       rc |= RunCommand(
         [os.path.realpath(
-          join(config.dir_build_latest, 'benchmarks/aarch32', bench))])
+          join(config.dir_build_latest, 'benchmarks/aarch32', bench)), '10'])
   if CanRunAarch64(options, args):
     benchmark_names = util.ListCCFilesWithoutExt(config.dir_aarch64_benchmarks)
     for bench in benchmark_names:
       rc |= RunCommand(
         [util.relrealpath(
-            join(config.dir_build_latest, 'benchmarks/aarch64', bench))])
+            join(config.dir_build_latest,
+                'benchmarks/aarch64', bench)), '10'])
   return rc