Style bikeshed - remove extraneous whitespace

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1842753002

Review URL: https://codereview.chromium.org/1842753002
diff --git a/gm/aaclip.cpp b/gm/aaclip.cpp
index fae6109..1cb7157 100644
--- a/gm/aaclip.cpp
+++ b/gm/aaclip.cpp
@@ -206,7 +206,7 @@
     ClipCubicGM() {
         fVPath.moveTo(W, 0);
         fVPath.cubicTo(W, H-10, 0, 10, 0, H);
-    
+
         SkMatrix pivot;
         pivot.setRotate(90, W/2, H/2);
         fVPath.transform(pivot, &fHPath);
@@ -216,7 +216,7 @@
     SkString onShortName() override {
         return SkString("clipcubic");
     }
-    
+
     SkISize onISize() override {
         return SkISize::Make(400, 410);
     }
@@ -224,10 +224,10 @@
     void doDraw(SkCanvas* canvas, const SkPath& path) {
         SkPaint paint;
         paint.setAntiAlias(true);
-        
+
         paint.setColor(sk_tool_utils::color_to_565(0xFFCCCCCC));
         canvas->drawPath(path, paint);
-        
+
         paint.setColor(SK_ColorRED);
         paint.setStyle(SkPaint::kStroke_Style);
         canvas->drawPath(path, paint);
@@ -242,7 +242,7 @@
 
         canvas->drawRect(r, paint);
         this->doDraw(canvas, path);
-        
+
         canvas->translate(dx, dy);
 
         canvas->drawRect(r, paint);
@@ -256,7 +256,7 @@
         canvas->translate(0, 200);
         this->drawAndClip(canvas, fHPath, 200, 0);
     }
-    
+
 private:
     typedef skiagm::GM INHERITED;
 };