Add always-threaded SkRecord quilt tests.

src/core/SkRecordDraw.cpp

Index: src/core/SkRecordDraw.cpp
diff --git a/src/core/SkRecordDraw.cpp b/src/core/SkRecordDraw.cpp
index db149100c5c17c8f5189d3db2f5020a49e8131da..89efb8e18bf088150e55ae7ef510b8f80036afd4 100644
--- a/src/core/SkRecordDraw.cpp
+++ b/src/core/SkRecordDraw.cpp
@@ -31,6 +31,11 @@ bool Draw::skip(const BoundedDrawPosTextH& r) {
     return fCanvas->quickRejectY(r.minY, r.maxY);
 }
 
+// FIXME: SkBitmaps are stateful, so we need to copy them to play back in multiple threads.
+static SkBitmap shallow_copy(const SkBitmap& bitmap) {
+    return bitmap;
+}
+
 // NoOps draw nothing.
 template <> void Draw::draw(const NoOp&) {}
 
@@ -49,10 +54,11 @@ DRAW(ClipRRect, clipRRect(r.rrect, r.op, r.doAA));
 DRAW(ClipRect, clipRect(r.rect, r.op, r.doAA));
 DRAW(ClipRegion, clipRegion(r.region, r.op));
 
-DRAW(DrawBitmap, drawBitmap(r.bitmap, r.left, r.top, r.paint));
-DRAW(DrawBitmapMatrix, drawBitmapMatrix(r.bitmap, r.matrix, r.paint));
-DRAW(DrawBitmapNine, drawBitmapNine(r.bitmap, r.center, r.dst, r.paint));
-DRAW(DrawBitmapRectToRect, drawBitmapRectToRect(r.bitmap, r.src, r.dst, r.paint, r.flags));
+DRAW(DrawBitmap, drawBitmap(shallow_copy(r.bitmap), r.left, r.top, r.paint));
+DRAW(DrawBitmapMatrix, drawBitmapMatrix(shallow_copy(r.bitmap), r.matrix, r.paint));
+DRAW(DrawBitmapNine, drawBitmapNine(shallow_copy(r.bitmap), r.center, r.dst, r.paint));
+DRAW(DrawBitmapRectToRect,
+        drawBitmapRectToRect(shallow_copy(r.bitmap), r.src, r.dst, r.paint, r.flags));
 DRAW(DrawDRRect, drawDRRect(r.outer, r.inner, r.paint));
 DRAW(DrawOval, drawOval(r.oval, r.paint));
 DRAW(DrawPaint, drawPaint(r.paint));
@@ -62,7 +68,7 @@ DRAW(DrawPosText, drawPosText(r.text, r.byteLength, r.pos, r.paint));
 DRAW(DrawPosTextH, drawPosTextH(r.text, r.byteLength, r.xpos, r.y, r.paint));
 DRAW(DrawRRect, drawRRect(r.rrect, r.paint));
 DRAW(DrawRect, drawRect(r.rect, r.paint));
-DRAW(DrawSprite, drawSprite(r.bitmap, r.left, r.top, r.paint));
+DRAW(DrawSprite, drawSprite(shallow_copy(r.bitmap), r.left, r.top, r.paint));
 DRAW(DrawText, drawText(r.text, r.byteLength, r.x, r.y, r.paint));
 DRAW(DrawTextOnPath, drawTextOnPath(r.text, r.byteLength, r.path, r.matrix, r.paint));
 DRAW(DrawVertices, drawVertices(r.vmode, r.vertexCount, r.vertices, r.texs, r.colors,