refresh generated includes

generate include documentation for the first time
for SkRegion.h and SkTextBlob.h, and refresh a
few others.

TBR=reed@google.com

Bug: skia:6818
Change-Id: Ie8ad53095b3d7c5d8418c6cf2163a749ab6ecb53
Reviewed-on: https://skia-review.googlesource.com/146704
Commit-Queue: Cary Clark <caryclark@skia.org>
Auto-Submit: Cary Clark <caryclark@skia.org>
Reviewed-by: Cary Clark <caryclark@skia.org>
7 files changed