Added an introduction to the fingerprint enrollment

Bug: 21468315
Change-Id: Ieb691b0e321f44b9bae2f4f8dfd458c24b98a8d9
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index e3a7e96..ff10cfd 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1415,6 +1415,7 @@
         <activity android:name=".fingerprint.FingerprintEnrollFindSensor" android:exported="false"/>
         <activity android:name=".fingerprint.FingerprintEnrollEnrolling" android:exported="false"/>
         <activity android:name=".fingerprint.FingerprintEnrollFinish" android:exported="false"/>
+        <activity android:name=".fingerprint.FingerprintEnrollIntroduction" android:exported="false"/>
 
         <!-- Note this must not be exported since it returns the password in the intent -->
         <activity android:name="ConfirmLockPattern$InternalActivity"