base

Make Hyphenator#get() return an object.

Previously, a native pointer was returned. After this change, callers
should call getNativePtr() if they want to get the native pointer instead.

Bug: 21492297
Bug: 24570591
Change-Id: I745bd88e6e8c86078fffb07f90f8d8f24215410c
(cherry picked from commit e7eac6f540b09892172edd5b584605ea90f5a1ba)