Make 'fingerprint' searchable in Settings.

Bug: 22511754
Change-Id: I1e145ca9a33eb336014a8a4e158e9196a91cfdcc

src/com/android/settings/SecuritySettings.java

@@ -791,6 +791,16 @@ public class SecuritySettings extends SettingsPreferenceFragment
                 result.add(data);
             }
 
+            // Fingerprint
+            FingerprintManager fpm =
+                    (FingerprintManager) context.getSystemService(Context.FINGERPRINT_SERVICE);
+            if (fpm.isHardwareDetected()) {
+                data = new SearchIndexableRaw(context);
+                data.title = res.getString(R.string.security_settings_fingerprint_preference_title);
+                data.screenTitle = screenTitle;
+                result.add(data);
+            }
+
             // Credential storage
             final UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);
 

src/com/android/settings/fingerprint/FingerprintSettings.java

@@ -104,7 +104,7 @@ public class FingerprintSettings extends SubSettings {
     }
 
     public static class FingerprintSettingsFragment extends SettingsPreferenceFragment
-        implements OnPreferenceChangeListener, Indexable {
+        implements OnPreferenceChangeListener {
         private static final int MAX_RETRY_ATTEMPTS = 20;
         private static final int RESET_HIGHLIGHT_DELAY_MS = 500;