Manually integrating froyo lockscreen fixes:

	I6872c3ad135bc34348adafa76e08a3878f1b506f
	"Add emergency call button to PUK'd lockscreen."
	Bug: 2568732

	I5ad8745443fc97225af9efb938e4640cfc29b5d7
	"Restore text field used by sliding tab to give ringer
	mode feedback."
	Bug: 2587358

Change-Id: Ide3ad839aaf029930c0bf7ba4b9f6587efbd811d