DO NOT MERGE ANYWHERE Revert "Using Activity#setTitle to have TalkBack announce root traversal."

This reverts commit 4c80659e99.

Change-Id: Id5fa68f37170e61e2e63fdb3a60e8a3db79c81fa

packages/DocumentsUI/src/com/android/documentsui/BaseActivity.java

@@ -387,12 +387,6 @@ public abstract class BaseActivity extends Activity
         }
 
         mNavigator.update();
-        // Causes talkback to announce the activity's new title
-        if (mState.stack.isRecents()) {
-            setTitle(mRoots.getRecentsRoot().title);
-        } else {
-            setTitle(mState.stack.getTitle());
-        }
         invalidateOptionsMenu();
     }
 

packages/DocumentsUI/src/com/android/documentsui/FilesActivity.java

@@ -192,7 +192,7 @@ public class FilesActivity extends BaseActivity {
         Intent intent = getIntent();
         return (intent != null && intent.hasExtra(Intent.EXTRA_TITLE))
                 ? intent.getStringExtra(Intent.EXTRA_TITLE)
-                : getString(R.string.downloads_label);
+                : getTitle().toString();
     }
 
     @Override