Fixing issue where overview->normal workspace mode cannot be done by tapping
b/31458165

Because workspaceInModalState makes the VerticalFlingDetector
to consume the touch input, click is not detected in Overview mode.

Placed pulldown to search behind a feature flag.

Change-Id: I31ab69f57944a18e6b264c4f2ed2d0c1175cd940
3 files changed