Dialer: revert Omni's non-intrusive [2/3]

Revert "[2/2] Dialer: Add a non-intrusive dialoger for incoming calls"

This reverts commit 4c5e0f3d76d74d4dced7c36229cb0dca3209c0cf.

Conflicts:
	AndroidManifest.xml

Change-Id: I793d44c9344adc45de0a89156946bd1735abdbdc