IWYU: 'core' target, files starting A-C.

TBR=reed@google.com
Verbal lgtm, does not change API.

Committed: https://skia.googlesource.com/skia/+/7403d87db8e43d4c2b5b25ac22a0ebc22bd09d69

Review URL: https://codereview.chromium.org/1265033002
diff --git a/src/utils/debugger/SkDrawCommand.h b/src/utils/debugger/SkDrawCommand.h
index 7ff5a86..b8eca79 100644
--- a/src/utils/debugger/SkDrawCommand.h
+++ b/src/utils/debugger/SkDrawCommand.h
@@ -10,7 +10,11 @@
 #define SKDRAWCOMMAND_H_
 
 #include "SkCanvas.h"
+#include "SkTLazy.h"
+#include "SkPath.h"
+#include "SkRRect.h"
 #include "SkString.h"
+#include "SkTDArray.h"
 
 class SK_API SkDrawCommand {
 public: