back port gles fix to api 16

Following CLs are back ported:

        717e625415c4398431b84851ba1b76d8c59ae9cf Add shader version to glGetString
        32c30975ea654b9654ad9dade0d25b9856e63f1b Add parameters validation to glShaderSource() API
        b0c7cce25bf9323a359800a86c0c7609db2acea4 Fix eglDestroyContext and glTexImage2D
        2fc65202c214640c55b52c29bbc9213170d0b533 handles glGetBooleanv when value is nonboolean
        beda8027439b9c20475b8a3d379823d09fca3abb Properly initialize GLClientState's m_states
        84684ec571a1db94e32a67cb7d154ab562dd0d7f Unbind buffer when buffer is deleted
        89b7aac84f8babab93ff5326ad492164d971c421 Handle empty data parameter in glTexSubImage2D_enc
        adb0f74f792ba7bca20257b9c0ea41ebda9bb229 Allow glGetProgramInfoLog_enc to have empty length
        b31166704ddb7751619cf0bbc4f2f4575c0ad3c4 Guard against negative buffer size
        641f35af08a0a4c46586a592ff4e703e866d581a Guard against negative width and height
        9d18698dd8da15937f80e5476d73400a011934be Handle empty buffer in QemuPipeStream::writeFully
        40a674e0d0acac87aa25eb9de720dc2fb07d9e4f Fix emulator crashes on glDrawElements command
        7a2929cd6548693b581c17ba69308a49e03c56be Remove display initialization from eglGetProcAddress API

Change-Id: Ia3c18f714812a8c90593c6a0260c92dc18c56da3