Say "Home" instead of "Launcher" in TalkBack mode

Change-Id: Iec9036d693913967009696c1c90825bee8b7d9c6

res/values/strings.xml

@@ -22,6 +22,8 @@
     <skip />
     <!-- Application name -->
     <string name="application_name">Launcher</string>
+    <!-- Accessibility-facing application name -->
+    <string name="home">Home</string>
     <!-- Name for all applications running as this uid. -->
     <string name="uid_name">Android Core Apps</string>
     <!-- Default folder name -->

src/com/android/launcher2/Launcher.java

@@ -105,6 +105,7 @@ import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Set;
 
 /**
@@ -2890,6 +2891,15 @@ public final class Launcher extends Activity
         updateTextButtonWithDrawable(R.id.market_button, d);
     }
 
+    @Override
+    public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
+        boolean result = super.dispatchPopulateAccessibilityEvent(event);
+        final List<CharSequence> text = event.getText();
+        text.clear();
+        text.add(getString(R.string.home));
+        return result;
+    }
+
     /**
      * Receives notifications when system dialogs are to be closed.
      */