add select text to context menu

Long pressing near a link may select the link even if
the intent was to select text. Add an entry to
the context menu to permit selecting text when the hit
is an non-image anchor or a synthetic link.

depends on companion change to frameworks/base

bug:3214410
Change-Id: Ib444cc95c513aa474c289e22687bf6579a7207e8
2 files changed