Heapchecker: Raise timeout value from 20 to 30 minutes. TSAN: Add another suppression.

BUG=137973
TEST=none
TBR=glider
Review URL: https://chromiumcodereview.appspot.com/10821098

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@149077 0039d316-1c4b-4281-b951-d872f2087c98

tools/heapcheck/heapcheck_test.py

@@ -24,7 +24,7 @@ class HeapcheckWrapper(object):
 
   def __init__(self, supp_files):
     self._mode = 'strict'
-    self._timeout = 1200
+    self._timeout = 1800
     self._nocleanup_on_exit = False
     self._suppressions = []
     for fname in supp_files:

tools/valgrind/tsan/suppressions.txt

@@ -1009,6 +1009,13 @@
   fun:media::Pipeline::StopTask
   fun:base::internal::RunnableAdapter::Run
 }
+{
+  bug_137973_c
+  ThreadSanitizer:Race
+  fun:media::Pipeline::SetState
+  fun:media::Pipeline::TeardownStateTransitionTask
+  fun:base::internal::RunnableAdapter::Run
+}
 {
    bug_138691
    ThreadSanitizer:Race