Since it was almost all redundant (especially the stack stuff).
Ensure "Files" title present on drawer title in Files app.
DocumentsToolBar > DocumentsToolbar to match toolkit naming.
Bug: 26193264
Change-Id: I92c82c66d936aae3ce0f792581daa12898dfadee
This makes more space available for content.
Rename all the "Standalone" stuff to just "Files".
Move layout inflation into base class.
Move backbutton > drawer interaction into BaseActivity.
Change-Id: Ie778b323c6e80122389f029be148dd9e0c4bfb6e
Update Standalone mode to use drawer on smaller form factors.
While we're not implementing this now, we'll probably want
to switch to drawer mode when in portrait mode, even on relatively
larger devices.
Change-Id: I244cd3c6021d63cf43d0631a5397b05339a96ced