SdStyleSheetPool: fix numerous regressions when copying in Draw...

... from commit 0c17ccc493d0c7a80f37600dae76a09a119bef78.

Change-Id: Ib0848da26091899961c5ed95879f9306b13653dd
SdStyleSheetPool: de-dent that

Change-Id: Ifce20de3068e12c42bfcd115ad852371f97b971c