Accept variation selector in emoji sequences - DO NOT MERGE

This patch basically ignores variation selectors for the purpose of
itemization into font runs. This allows GSUB to be applied when input
sequences contain variation selectors.

Bug: 25368653
Change-Id: I9c1d325ae0cd322c21b7e850d0ec4d73551b2372
1 file changed
tree: f6e86da698faff7fd336bf7bac58f20139b32dea
  1. app/
  2. doc/
  3. include/
  4. libs/
  5. sample/
  6. tools/