Fix and enable H702 _() method check

Enable hacking rule H702 Formatting operation should
be outside of localization method call.
This rule is useful to avoid untranslated strings.

Change-Id: I1c32707ed418c1e64cce24b0adceee14af16200c
Fix and enable H701 check "Empty localization string"

Change-Id: Iae800f38cadb3d4f68ac4b70dd2d758d39a7f359
Closes-Bug: #1351196