camera: add ISO3200 and ISO6400

This change adds camera ISO 3200 and 6400, needed by some camera hal.

Change-Id: I65172a7de6554c3c288f0a4153d3fcb432b70db8
diff --git a/camera/CameraParameters.cpp b/camera/CameraParameters.cpp
index 1bedd89..51366ad 100644
--- a/camera/CameraParameters.cpp
+++ b/camera/CameraParameters.cpp
@@ -276,6 +276,8 @@
 const char CameraParameters::ISO_400[] = "ISO400";
 const char CameraParameters::ISO_800[] = "ISO800";
 const char CameraParameters::ISO_1600[] = "ISO1600";
+const char CameraParameters::ISO_3200[] = "ISO3200";
+const char CameraParameters::ISO_6400[] = "ISO6400";
 
  //Values for Lens Shading
 const char CameraParameters::LENSSHADE_ENABLE[] = "enable";