[automerger skipped] Merge "libbinder: use libbase HexString" am: 6bf1365b...

[automerger skipped] Merge "libbinder: use libbase HexString" am: 6bf1365b am: bc639ec1 -s ours am: ea171b72 -s ours

am skip reason: Merged-In I5c7d40334057cf8f91b64e2fea7809933565820d with SHA-1 f39d2ae4 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1781960

Change-Id: I7558ec758c047f849481b5e2134d2323cb03b294