remove uncalled onDrawText virtuals from base class

... waiting on android cl to remove overrides

Bug: skia:
Change-Id: I3375ad251fa6844cdd0511eafc6133a758a3cef6
Reviewed-on: https://skia-review.googlesource.com/c/175582
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2 files changed