Revert of Re-enable mobile memory tests. (https://codereview.chromium.org/414473002/)

Reason for revert:
Fails on multiple android bots. For example:

http://build.chromium.org/p/chromium.perf/builders/Android%20Nexus4%20Perf/builds/1134/steps/memory.mobile_memory/logs/stdio

Original issue's description:
> Re-enable mobile memory tests.
> 
> BUG=370977
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=284854

TBR=starodub@google.com
NOTREECHECKS=true
NOTRY=true
BUG=370977

Review URL: https://codereview.chromium.org/413093003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@285105 0039d316-1c4b-4281-b951-d872f2087c98

tools/perf/benchmarks/memory.py

@@ -7,6 +7,7 @@ import page_sets
 from telemetry import benchmark
 
 
+@benchmark.Disabled('android')  # crbug.com/370977
 class MemoryMobile(benchmark.Benchmark):
   test = memory.Memory
   page_set = page_sets.MobileMemoryPageSet