Neil Fuller b5d1c15ec2 Switch from Byte.toHexString() to HexEncoding
Switch from Byte.toHexString() to HexEncoding equivalents.

Bug: 124232146
Test: build only
Exempt-From-Owner-Approval: Cherry-picking OWNERS approved internal version
Merged-In: Id244e5247eb87c67446cbd65eb5d320f3617b8cd
Change-Id: Id244e5247eb87c67446cbd65eb5d320f3617b8cd
2019-04-11 09:27:45 +00:00
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