Update Hindi keyboard

* Remove "U+090E: DEVANAGARI LETTER SHORT E" from 3rd row
* Remove "U+0946: DEVANAGARI VOWEL SIGN SHORT E" from 3rd row
* Remove digit and Devanagari digit more keys from shifted layout
* Replace digit keys on symbol layout with Devanagari digit keys
* Enlarge 3rd row of phone layout slightly

Bug: 5964777
Change-Id: I2a4f85bf11fbec3820a79a026d95c8f73a9cf604