Fix warnings in framworks/native/opengl/include

Fix old-style cast warnings by using a macro to do C or C++ style
casts.  Remove a visibility attribute being applied to a typedef.
The warnings were being hidden by the use of -isystem to include
frameworks/native/opengl/include.

Bug: 31752268
Test: m -j native

Change-Id: I7db3f7181e3542fc7194e1f18010dd2df5d4c57e