Heapchecker: Widen a suppression for SpdyHttpStreamTest.

BUG=46886
TEST=Heapchecker net gets greener
TBR=glider
Review URL: http://codereview.chromium.org/3010012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@52927 0039d316-1c4b-4281-b951-d872f2087c98

tools/heapcheck/suppressions.txt

@@ -764,7 +764,7 @@
    bug_46886
    Heapcheck:Leak
    ...
-   fun:*SpdyHttpStreamTest_SendRequest_Test
+   fun:*SpdyHttpStreamTest_SendRequest_Test*
 }
 
 {