Fix a programmatic smooth scroll bug

Bug: smoothScrollToPosition() stops at child view of which height is
higher than list view itself.

Change-Id: I695ca9db4c706aa7f365967dd3916f9a01917346
Signed-off-by: Yongyi Li <yongyi.li.cn@gmail.com>
Always use force

Change-Id: I117a10eba704d229b1fb22c6655b5086d6dd2136

Conflicts:
	core/java/android/util/ExtendedPropertiesUtils.java