Optimize layout

java/res/xml-sw600dp/key_styles_common.xml

java/res/xml/key_space_30.xml

java/res/xml/key_styles_common.xml

java/res/xml/keys_comma_period.xml

java/res/xml/keys_less_greater.xml

java/res/xml/row_symbols4.xml

java/res/xml/row_symbols_shift4.xml

java/res/xml/rowkeys_symbols2.xml

java/res/xml/rowkeys_symbols3.xml

java/res/xml/rowkeys_symbols_shift1.xml

java/res/xml/rowkeys_symbols_shift2.xml

java/res/xml/rowkeys_symbols_shift3.xml

java/res/xml/rows_symbols.xml

...droid/inputmethod/keyboard/internal/KeyboardTextsSet.java

...rc/com/android/inputmethod/latin/utils/DebugLogUtils.java

...ake-keyboard-text/res/values/donottranslate-more-keys.xml