[DO NOT MERGE] Update FreeType from 2.6.2 to c38be52bf8de (2.7 + a few post-2.7 CLs) am: f052384f57 am: d2c8b2153e  -s ours
am: 56107744bc  -s ours

Change-Id: If92b79d565a6c1e1a1d85243cdffee82a838bdd8