Merge "Fix -Wformat error with explicit void* -> char* cast." am: 180d9e2e04 am: 2cc8c73b82 am: c0b71d31b0 am: e92568023f

Original change: https://android-review.googlesource.com/c/platform/hardware/ril/+/1407077

Change-Id: I1abb13118f195d7504ad56a7b1134396cab8766b