adjust methods for preinstall

N/A

Change-Id: I78d5eaced8ebd1fefa4d3c7baeeb9b31df758f28
Make switching fonts without reboot.

Ref-Id: I9df0f6a53579301b0b0ee70c483c78be9e92edd3
Change-Id: I909c9f392e0d8841cc46d5c360a5d057980b05df
fix NoClassDefFoundError

N/A

Change-Id: I5851de5ea8528b455668a81f30d1d53bb1de674d
amend merged error

Change-Id: Ic213af6a63dcf9d0c4922386aab7d06c203732d3