[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 am: 683c64840c  -s ours
am: f2574eccf6  -s ours

Change-Id: I8554b6c627fbe50e15691ebc0cdaf40e4914c94a