remove HAL_MODULE_INFO_SYM const

HAL_MODULE_INFO_SYM was declared as read-only, but
the struct is written to by libhardware.  This causes
a segfault when -Wl,-z,relro is enabled.

Fixed.

Change-Id: I5ab4ce539be0335b0c86d4cdf34f7c29fa410424
1 file changed