tree e186646052441a232c128caad9335bd7fab11f78
parent ef9abab5ee25c700c0f8e865a64d565b40e6d7ff
author Greg Kaiser <gkaiser@google.com> 1545160231 -0800
committer Greg Kaiser <gkaiser@google.com> 1545331111 -0800

vold: Pass std::string by const reference

In a couple places, we change to pass a std::string argument
instead of by copy.

Test: TreeHugger
Change-Id: Ib179299a2322fcbab4e6d192051218823ad66a36