Moved some duplicate code from SearchPanelView and LockScreen
over to SearchManager to avoid creating yet another copy of it
in PhoneWindowManager.
Bug: 6594275
Change-Id: Ib4ebcd6817639d17548952ab2ce7cb876c05777c
These keys are specific to Japanese hardware keyboard which can be
used by input method.
Patch ported from AOSP, with the addition of EISU and KANA mappings.
Change-Id: I647473cdd257458e3b9d134b0fc623eae946c3e0