Completely remove ExtractActionMode - master cherrypick

Use the floating toolbar action mode instead.
This CL is identical to ag/701639. The merge to master was skipped
due to a conflict. This is the 'manual merge'

Bug: 20128047
Change-Id: I5ef9b4b5b9574a4a360a853b2d1abd5b374f2fd5
82 files changed