Move off ZipString and over to std::string/std::string_view as appropriate.

(Cherrypick to AOSP master, resolving merge conflicts.)

Bug: http://b/129068177
Test: treehugger
Change-Id: Ib46761d89772d3a3c655a39df573fd305c117d19
Merged-In: Ib46761d89772d3a3c655a39df573fd305c117d19
3 files changed