Camera: Correct stream id types

Bug: 10604704
Change-Id: I223ac5d200eb6439c08955fb7ad586592099fbae
diff --git a/services/camera/libcameraservice/api1/Camera2Client.cpp b/services/camera/libcameraservice/api1/Camera2Client.cpp
index 0a18501..bda2887 100644
--- a/services/camera/libcameraservice/api1/Camera2Client.cpp
+++ b/services/camera/libcameraservice/api1/Camera2Client.cpp
@@ -743,7 +743,7 @@
         return res;
     }
 
-    Vector<uint8_t> outputStreams;
+    Vector<int32_t> outputStreams;
     bool callbacksEnabled = (params.previewCallbackFlags &
             CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK) ||
             params.previewCallbackSurface;
@@ -999,7 +999,7 @@
         return res;
     }
 
-    Vector<uint8_t> outputStreams;
+    Vector<int32_t> outputStreams;
     outputStreams.push(getPreviewStreamId());
     outputStreams.push(getRecordingStreamId());