[Telemetry] Disable dom_perf on Android because it times out.

tools/perf/benchmarks/dom_perf.py

Index: tools/perf/benchmarks/dom_perf.py
diff --git a/tools/perf/benchmarks/dom_perf.py b/tools/perf/benchmarks/dom_perf.py
index 1a466947fca51b832519be37841a305ecf715ba2..8552570ff7bd644f2e1de3840bc7984f1150f396 100644
--- a/tools/perf/benchmarks/dom_perf.py
+++ b/tools/perf/benchmarks/dom_perf.py
@@ -5,6 +5,7 @@
 import json
 import math
 import os
+import sys
 
 from telemetry import test
 from telemetry.core import util
@@ -74,6 +75,8 @@ class DomPerf(test.Test):
   means better performance: Bigger is better!"""
   test = _DomPerfMeasurement
 
+  enabled = not sys.platform.startwith('linux')
+
   def CreatePageSet(self, options):
     dom_perf_dir = os.path.join(util.GetChromiumSrcDir(), 'data', 'dom_perf')
     base_page = 'file://run.html?reportInJS=1&run='