Using different strings for language/region picker

In zh_TW, the "suggested" translated as "suggested language"
in language/region picker. Using different words to translate to
"suggested language" and "suggested region".

Bug: 243016620
Test: Manually check the UI.
Change-Id: I2edf82039b8dd37ca27ce831efa1cfa1474c8efb
Merged-In: I2edf82039b8dd37ca27ce831efa1cfa1474c8efb
3 files changed