Fix a bug with deferred position scrolling in lists while data changes
are pending

Save the pending position scroll until the data change is actually
serviced before posting it to run. This avoids handler loops on
GONE subtrees or when the view is detached.

Bug 6547649

Change-Id: Iab108cfcb7dd11ece703762d311a5f5985f38c3b
3 files changed