Make skparagraph Bazel target naming consistent

Change-Id: I48fe72ea6b26c29e293f54dc8143c97965323019
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/854472
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
Auto-Submit: Kaylee Lubick <kjlubick@google.com>
4 files changed