Add onResume to FingerprintEnrollEnrolling

Fixes: 62233947

Test: revoke usb permissions, start enrolling, attach usb,
	press ok, continue enroll. enroll should be able to continue
	and complete

onPause was added in b/38102355, but onResume was not added. We should
set the listener in onResume()

Change-Id: I59e617b4789f028d01b86d38049671888c07a5ec

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

@@ -159,6 +159,14 @@ public class FingerprintEnrollEnrolling extends FingerprintEnrollBase
         startIconAnimation();
     }
 
+    @Override
+    protected void onResume() {
+        super.onResume();
+        if (mSidecar != null) {
+            mSidecar.setListener(this);
+        }
+    }
+
     @Override
     protected void onPause() {
         super.onPause();