[Swarming] Isolate sancov tool.

tools/testrunner/testrunner.isolate

 # Copyright 2015 the V8 project authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 {
   'variables': {
     'command': [
       '../run-tests.py',
     ],
     'files': [
       '../run-tests.py',
       './'
     ],
   },
-}
+  'conditions': [
+    ['coverage==1 and sanitizer_coverage=="bb"', {

[Michael Achenbach, 2016/03/10 11:38:03]

Unfortunately isolate client seems to not support inequality. I'd have liked to
write sanitizer_coverage!=0 instead, as 0 is the default on all other bots.

+      'variables': {
+        'files': [
+          '../../third_party/llvm/projects/compiler-rt/lib/sanitizer_common/scripts/sancov.py',
+        ],
+      },
+    }],
+  ],
+}