Exclude trampoline activity from Recents

Bug: 10653067
Change-Id: I79b4cb66886a63d19139cb9cb7272a754320b256
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index c2f93f3..69d16ca 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -179,6 +179,7 @@
             android:label="@string/camera_label"
             android:theme="@style/android:Theme.NoDisplay" />
         <activity-alias android:name="com.android.camera.CameraLauncher"
+            android:excludeFromRecents="true"
             android:label="@string/camera_label"
             android:targetActivity="com.android.camera.CameraActivity">
             <intent-filter>