libbinder: use libbase HexString

Bug: N/A
Test: boot, binder_parcel_fuzzer, binderClearBuf test
Merged-In: I5c7d40334057cf8f91b64e2fea7809933565820d
Change-Id: I5c7d40334057cf8f91b64e2fea7809933565820d
12 files changed