The icon of suggestion_fingerprint should be blue.

Bug: b/131117150
Test: Manual Test
Change-Id: If7a07bf1caeb21f820e141f5412d91178007f7bc

AndroidManifest.xml

@@ -1629,6 +1629,7 @@
                        android:resource="@string/suggestion_additional_fingerprints" />
             <meta-data android:name="com.android.settings.summary"
                        android:resource="@string/suggestion_additional_fingerprints_summary" />
+            <meta-data android:name="com.android.settings.icon_tintable" android:value="true" />
         </activity-alias>
 
         <!-- Note this must not be exported since it returns the password in the intent -->