Merge "No longer export CallSubjectDialog" into sc-dev am: 3c9c9f1aca am: 49808fec17

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Contacts/+/17008939

Change-Id: I907dec99040529ed081e025c52a7ca88fe95302b
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index e5dfca8..4c29039 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -572,7 +572,7 @@
         <activity
             android:name="com.android.contacts.dialog.CallSubjectDialog"
             android:theme="@style/Theme.CallSubjectDialogTheme"
-            android:exported="true"
+            android:exported="false"
             android:windowSoftInputMode="stateVisible|adjustResize">
             <intent-filter>
                 <action android:name="android.intent.action.VIEW"/>