Update Camera.setDisplayOrientation test.

Make sure setDisplayOrientation can be called during preview.

bug:5422679
Change-Id: I5bbbc408e30117972c6c0eb5b71fab2e7362dbe9
diff --git a/tests/tests/hardware/src/android/hardware/cts/CameraTest.java b/tests/tests/hardware/src/android/hardware/cts/CameraTest.java
index f190853..9799bad 100644
--- a/tests/tests/hardware/src/android/hardware/cts/CameraTest.java
+++ b/tests/tests/hardware/src/android/hardware/cts/CameraTest.java
@@ -558,13 +558,11 @@
         // Start preview.
         mCamera.startPreview();
 
-        // Check setting orientation during preview is not allowed.
-        try {
-            mCamera.setDisplayOrientation(90);
-            fail("Should throw exception for setting orientation during preview.");
-        } catch (RuntimeException ex) {
-            // expected
-        }
+        // Check setting orientation during preview is allowed.
+        mCamera.setDisplayOrientation(90);
+        mCamera.setDisplayOrientation(180);
+        mCamera.setDisplayOrientation(270);
+        mCamera.setDisplayOrientation(00);
 
         terminateMessageLooper();
     }