[automerger skipped] Merge "libbinder: use libbase HexString" am: 6bf1365b1d am: bc639ec10c -s ours

am skip reason: Merged-In I5c7d40334057cf8f91b64e2fea7809933565820d with SHA-1 f39d2ae4b2 is already in history

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

Change-Id: I6ace66b8945f5a86c0b1d34934cec30df7029c6a