Android: Add support for TraceEvent before the native library is loaded.

chrome/android/java/src/org/chromium/chrome/browser/init/AsyncInitializationActivity.java

Index: chrome/android/java/src/org/chromium/chrome/browser/init/AsyncInitializationActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/init/AsyncInitializationActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/init/AsyncInitializationActivity.java
index 30b6da5c8e60fd43717c3dd1205e603c0a78c75c..729f2d2788380ced6f271011f55c22e55795d243 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/init/AsyncInitializationActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/init/AsyncInitializationActivity.java
@@ -201,6 +201,12 @@ public abstract class AsyncInitializationActivity extends AppCompatActivity impl
      */
     @Override
     protected final void onCreate(Bundle savedInstanceState) {
+        TraceEvent.begin("AsyncInitializationActivity.onCreate()");
+        onCreateInternal(savedInstanceState);
+        TraceEvent.end("AsyncInitializationActivity.onCreate()");
+    }
+
+    private final void onCreateInternal(Bundle savedInstanceState) {
         if (DocumentModeAssassin.getInstance().isMigrationNecessary()) {
             super.onCreate(null);