CameraITS: avoid using non-guaranteed RAW12 stream combination

Bug: 23787496
Change-Id: If339c4097574880cd03e68fe713a0343dc31de66
diff --git a/apps/CameraITS/pymodules/its/objects.py b/apps/CameraITS/pymodules/its/objects.py
index 0fecda5..ac384fb 100644
--- a/apps/CameraITS/pymodules/its/objects.py
+++ b/apps/CameraITS/pymodules/its/objects.py
@@ -169,7 +169,8 @@
         A sorted list of (w,h) tuples (sorted large-to-small).
     """
     AR_TOLERANCE = 0.03
-    fmt_codes = {"raw":0x20, "raw10":0x25, "yuv":0x23, "jpg":0x100, "jpeg":0x100}
+    fmt_codes = {"raw":0x20, "raw10":0x25, "raw12":0x26,"yuv":0x23,
+                 "jpg":0x100, "jpeg":0x100}
     configs = props['android.scaler.streamConfigurationMap']\
                    ['availableStreamConfigurations']
     fmt_configs = [cfg for cfg in configs if cfg['format'] == fmt_codes[fmt]]