Currently, address editor on Android is using the country string in android_chrome_strings.grd [1], but Desktop and iOS are using the country string from libaddressinput (i.e., IDS_LIBADDRESSINPUT_COUNTRY_OR_REGION_LABEL). We should remove the string in [1] in favor of libaddressinput string.

[1] https://cs.chromium.org/chromium/src/chrome/android/java/strings/android_chrome_strings.grd?rcl=1e5c67abd6325c2c316fa9a9430b85079174f0d6&l=358