Adding support for independent partitions

Adding support in the encoder for generating
independent residual partitions by forcing
equal probabilities over the prev coef entropy
contexts.

Change-Id: I402f5c353255f3ca20eae2620af739f6a498cd21
diff --git a/vp8/common/onyx.h b/vp8/common/onyx.h
index a059519..545798a 100644
--- a/vp8/common/onyx.h
+++ b/vp8/common/onyx.h
@@ -184,8 +184,11 @@
         int token_partitions; // how many token partitions to create for multi core decoding
         int encode_breakout;  // early breakout encode threshold : for video conf recommend 800
 
-        int error_resilient_mode;  // if running over udp networks provides decodable frames after a
-        // dropped packet
+        unsigned int error_resilient_mode; // Bitfield defining the error
+                                   // resiliency features to enable. Can provide
+                                   // decodable frames after losses in previous
+                                   // frames and decodable partitions after
+                                   // losses in the same frame.
 
         int arnr_max_frames;
         int arnr_strength ;