Fix clang-tidy performance warnings in frameworks/native.

* Use const reference parameter type to avoid unnecessary copy.
* Use more efficient overloaded string methods.
* Use const reference type for loop index variables to avoid unnecessary copy.

(cherry picked from commit cb057c2e)

Bug: 30407689
Bug: 30411878
Bug: 30413223
Test: build with WITH_TIDY=1

Merged-In: I75ed62e2cb9939878b8932ed512ceb7e241edd6f
Change-Id: I75ed62e2cb9939878b8932ed512ceb7e241edd6f