Correct return type for CameraCharacteristics.get()

Bug: 64070732
Test: Camera app works properly
Change-Id: Idc7b292f7fc87649e1d1fcbc1679804d4c998fc2
diff --git a/src/com/android/camera/one/config/OneCameraFeatureConfigCreator.java b/src/com/android/camera/one/config/OneCameraFeatureConfigCreator.java
index 3e0fb9d..dc7f900 100644
--- a/src/com/android/camera/one/config/OneCameraFeatureConfigCreator.java
+++ b/src/com/android/camera/one/config/OneCameraFeatureConfigCreator.java
@@ -131,8 +131,12 @@
     }
 
     private static boolean supportsReprocessing(CameraCharacteristics characteristics) {
-        int maxNumInputStreams = characteristics.get(
+        Integer maxNumInputStreams = characteristics.get(
                 CameraCharacteristics.REQUEST_MAX_NUM_INPUT_STREAMS);
+        if (maxNumInputStreams == null) {
+            Log.e(TAG, "Camera does not have maximum number of input streams.");
+            return false;
+        }
         if (maxNumInputStreams == 0) {
             return false;
         }