Mms: The caption of the slide will be truncated directly

The TextView set android:ellipsize="marquee",but if the
view has no focus, the marquee is no used. Then the
caption of the slide will be truncated.

Use android:ellipsize="end" instead of marquee.

CRs-Fixed: BZ277

Change-Id: I3cf10f2bb044b46056e56eab3a17f25d10b22089