Fix gms placing text in bounds.

In the operation of taking the bounds of (horizontal text) and then
drawing the text within those bounds it is necessary to draw the text at
the origin of the bounds and not at the left edge of the bounds.

Change-Id: I712e1713ca5e0be929b11f526f224141a5310cc2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/319776
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
2 files changed