Redraw duing mouse drag

Change-Id: I3d72395ad6e8212859a8a3839211f73d27524f22
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/443413
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/samplecode/SamplePathClip.cpp b/samplecode/SamplePathClip.cpp
index c004e9f..8db008d 100644
--- a/samplecode/SamplePathClip.cpp
+++ b/samplecode/SamplePathClip.cpp
@@ -296,7 +296,7 @@
 
     bool onClick(Click* click) override {
         ((MyClick*)click)->handleMove();
-        return false;
+        return true;
     }
 
 private: