Allow scrolls to continue when getting a new content size.
Allow scrolls to continue when getting a new content size.

In recordNewContentSize, rather than aborting any scrolls in progress,
find the final coordinates of the scroll and pin them to the new size,
and let the scroll continue.

Fixes http://b/issue?id=2141960

Change-Id: I7bfa444b52e70a0ca817221f379df77efc3496b7

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base