Shorten the search box hint for two-pane layout

Change from "Search settings" to "Search".

Fix: 248006011
Test: visual
Change-Id: I76a1fa0f8c38e5438f2b01a1b6d83cae3968502c
Merged-In: I76a1fa0f8c38e5438f2b01a1b6d83cae3968502c
(cherry picked from commit 3aec52141d1a54b854dcacc6d808cb45a610b207)
1 file changed