samsung: libril: Tuning of Binder buffer for rild.

Tuned the Binder buffer to 500KB as it is not
going to use the default allocated 1MB which
saves RAM for 32 bit processors.

Change-Id: Ifea2720f8e853643a37912c3459e923168677b1e
CRs-Fixed: 2283052
1 file changed