Add android:exported tag am: c61b39439e

Original change: https://googleplex-android-review.googlesource.com/c/platform/developers/samples/android/+/15600751

Change-Id: I50bd6fafd1a7cb10fb45e54989e11ce9e4bfe56a
diff --git a/security/FingerprintDialog/Application/src/main/AndroidManifest.xml b/security/FingerprintDialog/Application/src/main/AndroidManifest.xml
index 218c190..08f3955 100644
--- a/security/FingerprintDialog/Application/src/main/AndroidManifest.xml
+++ b/security/FingerprintDialog/Application/src/main/AndroidManifest.xml
@@ -32,7 +32,8 @@
         <activity
             android:name=".MainActivity"
             android:label="@string/application_name"
-            android:theme="@style/Theme.AppCompat.Light.NoActionBar">
+            android:theme="@style/Theme.AppCompat.Light.NoActionBar"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />