Updated T9 search bolding to include wrapping to the next word.

T9 bolding now works when the query continues past a single name and extends to
the next. For example, a query of "2226" would bold "[AAA M]om". This was
supported in the old search.

Bug: 71384038
Test: existing + new
PiperOrigin-RevId: 181211263
Change-Id: I7d7fe8be794f410e697ddbcb26c6bc10c7893e5a
2 files changed