Camera: Fix wrong test case enumeration for physical cameras

The issue was a missing replacement from ":" to "." in earlier changes.

Test: Open CtsVerifier and observe test cases for camera 0.4 on Pixel4
Bug: 161671815
Change-Id: I4495ffbab0194f9019437c5ac6035fe8007dfff3
(cherry picked from commit 79132dde9eb0ce81810338f47502ff1c1c0e2c43)
diff --git a/apps/CtsVerifier/src/com/android/cts/verifier/camera/its/ItsTestActivity.java b/apps/CtsVerifier/src/com/android/cts/verifier/camera/its/ItsTestActivity.java
index c43d5a0..f12770c 100644
--- a/apps/CtsVerifier/src/com/android/cts/verifier/camera/its/ItsTestActivity.java
+++ b/apps/CtsVerifier/src/com/android/cts/verifier/camera/its/ItsTestActivity.java
@@ -396,7 +396,8 @@
 
     protected void setupItsTests(ArrayTestListAdapter adapter) {
         for (String cam : mToBeTestedCameraIds) {
-            List<String> scenes = cam.contains(":") ? mHiddenPhysicalCameraSceneIds : mSceneIds;
+            List<String> scenes = cam.contains(ItsUtils.CAMERA_ID_TOKENIZER) ?
+                    mHiddenPhysicalCameraSceneIds : mSceneIds;
             for (String scene : scenes) {
                 adapter.add(new DialogTestListItem(this,
                 testTitle(cam, scene),
diff --git a/apps/CtsVerifier/src/com/android/cts/verifier/camera/its/ItsUtils.java b/apps/CtsVerifier/src/com/android/cts/verifier/camera/its/ItsUtils.java
index 8f268b0..c648e8e 100644
--- a/apps/CtsVerifier/src/com/android/cts/verifier/camera/its/ItsUtils.java
+++ b/apps/CtsVerifier/src/com/android/cts/verifier/camera/its/ItsUtils.java
@@ -54,6 +54,8 @@
 
 public class ItsUtils {
     public static final String TAG = ItsUtils.class.getSimpleName();
+    // The tokenizer must be the same as CAMERA_ID_TOKENIZER in device.py
+    public static final String CAMERA_ID_TOKENIZER = ".";
 
     public static ByteBuffer jsonToByteBuffer(JSONObject jsonObj) {
         return ByteBuffer.wrap(jsonObj.toString().getBytes(Charset.defaultCharset()));
@@ -403,8 +405,7 @@
                             CameraCharacteristics.LENS_INFO_AVAILABLE_FOCAL_LENGTHS);
                     if (defaultFocalLength != physicalFocalLengths[0]) {
                         outList.mCameraIds.add(physicalId);
-                        // The tokenizer must be the same as CAMERA_ID_TOKENIZER in device.py
-                        outList.mCameraIdCombos.add(id + "." + physicalId);
+                        outList.mCameraIdCombos.add(id + CAMERA_ID_TOKENIZER + physicalId);
                     }
                 }