Merge "Add Malayalam keyboard"

java/res/xml-sw600dp/rows_malayalam.xml

java/res/xml/kbd_malayalam.xml

java/res/xml/keyboard_layout_set_malayalam.xml

java/res/xml/method.xml

java/res/xml/rowkeys_malayalam1.xml

java/res/xml/rowkeys_malayalam2.xml

java/res/xml/rowkeys_malayalam3.xml

java/res/xml/rows_malayalam.xml

...oid/inputmethod/keyboard/internal/KeyboardTextsTable.java

...tmethod/keyboard/KeyboardLayoutSetSubtypesCountTests.java

...rc/com/android/inputmethod/keyboard/layout/Malayalam.java

...d/inputmethod/keyboard/layout/tests/TestsMalayalamIN.java

...board-text/res/values-ml-rIN/donottranslate-more-keys.xml