am bdb2a905: am d08fb687: am e5783e58: am 2abf0f24: Fix a race condition that could cause lockup

* commit 'bdb2a90570b6fcdcb85d010070f77f7cea61e41a':
  Fix a race condition that could cause lockup
diff --git a/libs/hwui/Caches.cpp b/libs/hwui/Caches.cpp
index 1030451..aa73d44 100644
--- a/libs/hwui/Caches.cpp
+++ b/libs/hwui/Caches.cpp
@@ -248,11 +248,6 @@
 void Caches::flush(FlushMode mode) {
     FLUSH_LOGD("Flushing caches (mode %d)", mode);
 
-    // We must stop tasks before clearing caches
-    if (mode > kFlushMode_Layers) {
-        tasks.stop();
-    }
-
     switch (mode) {
         case kFlushMode_Full:
             textureCache.clear();