Allocate font vector on stack

This reduces another allocation (last one?) we were doing when
fulfilling shaping requests from the cache.

Bug: 17111260
Change-Id: Ieb8ae1ccfcaacedb257e1e9263777f10623aaf98
1 file changed
tree: 3a03819cce4134d69ccbde7018f91c17ed59ddef
  1. include/
  2. libs/
  3. sample/