[iOS][Password Check] Strings for Password Check error state

This change adds strings which are used to handle Password Check error
state.

Bug: 1075494
Change-Id: I0e234d0d61bd6b52a8b40af1a9ad78da2e49a18f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2282935
Commit-Queue: Viktor Semeniuk <vsemeniuk@google.com>
Reviewed-by: Javier Ernesto Flores Robles <javierrobles@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#787137}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: c1d23bc1ad91219f512ff981d21389a0c00ab550
14 files changed