Merge "Add Bengali keyboard layout"

java/res/xml-sw600dp/rows_bengali.xml

java/res/xml/kbd_bengali.xml

java/res/xml/key_styles_currency.xml

java/res/xml/keyboard_layout_set_bengali.xml

java/res/xml/method.xml

java/res/xml/rowkeys_bengali1.xml

java/res/xml/rowkeys_bengali2.xml

java/res/xml/rowkeys_bengali3.xml

java/res/xml/rows_bengali.xml

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

...tmethod/keyboard/KeyboardLayoutSetSubtypesCountTests.java

.../src/com/android/inputmethod/keyboard/layout/Bengali.java

...oid/inputmethod/keyboard/layout/tests/TestsBengaliIN.java

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