Update GestureRecognizer State Diagram to use point-ids

ui/aura/gestures/gestures.dot

 // A diagram of the state machine found in gesture_sequence.cc
 // To generate a pdf:
 // dot -Tpdf -ooutput.pdf gestures.dot 
 //
 // If you alter this diagram, please update:
 // sites.google.com/a/chromium.org/dev/developers/design-documents/aura/gesture-recognizer
 
 digraph G {
 ratio = 1;
 
 legend[label = "{   \
 M : Move          \l\
 D : Down          \l\
 S : Stationary    \l\
 C : Cancel        \l\
 R : Release       \l}"  
 shape = record]
 
 subgraph none_pending {
 GS_NO_GESTURE ->  GS_PENDING_SYNTHETIC_CLICK [label= "D0"];
 GS_PENDING_SYNTHETIC_CLICK ->  GS_SCROLL [label= "M0\n S0"];
 GS_PENDING_SYNTHETIC_CLICK ->  GS_PENDING_SYNTHETIC_CLICK [label= "M0\n S0"];
 GS_PENDING_SYNTHETIC_CLICK ->  GS_NO_GESTURE [label= "C0\n R0"];
 }
 
-GS_SCROLL ->  GS_SCROLL [label= "M0\n M1"];
-GS_SCROLL ->  GS_NO_GESTURE [label= "C0\n R0\n C1\n R1"];
+GS_SCROLL ->  GS_SCROLL [label= "M0"];
+GS_SCROLL ->  GS_NO_GESTURE [label= "C0\n R0\n"];
 GS_PENDING_SYNTHETIC_CLICK ->  GS_PINCH [label= "D1"];
-GS_SCROLL ->  GS_PINCH [label= "D0\n D1"];
+GS_SCROLL ->  GS_PINCH [label= "D1"];
 GS_PINCH ->  GS_PINCH [label= "M0\n M1"];
 GS_PINCH ->  GS_SCROLL [label= "C0\n R0\n C1\n R1"];
 }