settings: Set explicit intent for legal info

This CL sets the full component for the Settings intent that opens
"Legal information->Third-party...".

Bug: 300111126
Test: make -j64 SettingsRoboTests
Test: create ika environment, manually open legal info.
Flag: EXEMPT bug fix

Change-Id: I3169620c0f2ff78a39b456597384a9738bc38a9f

src/com/android/settings/SettingsLicenseActivity.java

@@ -17,6 +17,7 @@
 package com.android.settings;
 
 import android.content.ActivityNotFoundException;
+import android.content.ComponentName;
 import android.content.ContentResolver;
 import android.content.Intent;
 import android.net.Uri;
@@ -103,6 +104,9 @@ public class SettingsLicenseActivity extends FragmentActivity implements
                             | Intent.FLAG_GRANT_PREFIX_URI_PERMISSION);
         }
         intent.addCategory(Intent.CATEGORY_DEFAULT);
+        ComponentName componentName = new ComponentName(
+                "com.android.htmlviewer", "com.android.htmlviewer.HTMLViewerActivity");
+        intent.setComponent(componentName);
         intent.setPackage("com.android.htmlviewer");
 
         try {