Simplify TaskManager fallback path

Change-Id: Ie3833449f7fe6aa69b9f71eb8bab1bef0fe434aa
diff --git a/libs/hwui/TessellationCache.cpp b/libs/hwui/TessellationCache.cpp
index d9d06bf..7edb9fb 100644
--- a/libs/hwui/TessellationCache.cpp
+++ b/libs/hwui/TessellationCache.cpp
@@ -386,10 +386,7 @@
     if (mShadowProcessor == nullptr) {
         mShadowProcessor = new ShadowProcessor(Caches::getInstance());
     }
-    if (!mShadowProcessor->add(task)) {
-        mShadowProcessor->process(task);
-    }
-
+    mShadowProcessor->add(task);
     task->incStrong(nullptr); // not using sp<>s, so manually ref while in the cache
     mShadowCache.put(key, task.get());
 }
@@ -424,9 +421,7 @@
         if (mProcessor == nullptr) {
             mProcessor = new TessellationProcessor(Caches::getInstance());
         }
-        if (!mProcessor->add(task)) {
-            mProcessor->process(task);
-        }
+        mProcessor->add(task);
         mCache.put(entry, buffer);
     }
     return buffer;