Revert 5387 "Re-enable webrtcvoice/videoengine unittests."

Missed the result from the last try bot.

> Re-enable webrtcvoice/videoengine unittests.
> 
> TEST=try bots
> BUG=
> R=mallinath@webrtc.org
> 
> Review URL: https://webrtc-codereview.appspot.com/7149004

TBR=wu@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/7179004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5388 4adac7df-926f-26a2-2b94-8c16560cd09d

talk/libjingle_tests.gyp

@@ -288,8 +288,8 @@
         # Disabled because some tests fail.
         # TODO(ronghuawu): Reenable these tests.
         # 'media/devices/devicemanager_unittest.cc',
-        'media/webrtc/webrtcvideoengine_unittest.cc',
-        'media/webrtc/webrtcvoiceengine_unittest.cc',
+        # 'media/webrtc/webrtcvideoengine_unittest.cc',
+        # 'media/webrtc/webrtcvoiceengine_unittest.cc',
       ],
       'conditions': [
         ['OS=="win"', {

tools/valgrind-webrtc/tsan/suppressions.txt

@@ -38,15 +38,6 @@
   fun:webrtc::Trace::set_level_filter
   ...
 }
-{
-  Trace function
-  ThreadSanitizer:Race
-  fun:webrtc::TraceImpl::WriteToFile
-  fun:webrtc::TraceImpl::Process
-  fun:webrtc::TraceImpl::Run
-  fun:webrtc::ThreadPosix::Run
-  fun:StartThread
-}
 {
   Test posix socket HasIncoming
   ThreadSanitizer:Race