Fix UI issues in localization

- Some of the locales don't display entire text and BigTextStyle doesn't
display ellipsis for them. Removing bigText.
- Fixing strings to display 4KB
- Reduce string for bootloader unlock title

Bug: 345291007
Bug: 343893991
Bug: 343815951
Test: m Settings && adb install -r $ANDROID_PRODUCT_OUT/system_ext/priv-app/Settings/Settings.apk
Flag: EXEMPT bugfix
Change-Id: I3e5bf9bf70be1240cfe7d3a381bb8fef62ce2efa