Add one more suppression for the sqlite race

tools/valgrind/tsan/suppressions.txt

 ############################
 # Real races in Chromium
 {
   bug_23433
   ThreadSanitizer:Race
   fun:*logging*SetMinLogLevel*
 }
 
 {
   bug_24419
@@ skipping 247 matching lines @@
 }
 
 {
   bug_84094_b (Could be benign. See bug for details)
   ThreadSanitizer:Race
   fun:sqlite3StatusSet
   fun:pcache1Alloc
 }
 
 {
+  bug_84094_c  (Could be benign. See bug for details)
+  ThreadSanitizer:Race
+  ...
+  fun:pcache1Unpin
+  fun:pcacheUnpin
+  fun:sqlite3PcacheMakeClean
+  fun:sqlite3PcacheCleanAll
+}
+
+
+{
   bug_84467_a (Could be benign. See bug for details)
   ThreadSanitizer:Race
   fun:unixTempFileDir
 }
 
 {
   bug_84467_b (Could be benign. See bug for details)
   ThreadSanitizer:Race
   fun:pcache1Fetch
   fun:sqlite3PcacheFetch
@@ skipping 249 matching lines @@
   tsanbug_62a
   ThreadSanitizer:Race
   fun:__memset_sse2
 }
 
 {
   tsanbug_62b
   ThreadSanitizer:Race
   fun:__GI_memcpy
 }