Ensure wallpaper "relayout" when first created

Wallpaper combines create/"relayout" into the same function.
After creating, we need to record the creation seqId so that
the rest of the function actually does a layout/draw for the
first frame.

Bug: 385976595
Bug: 430149439
Test: boot timing test
Flag: com.android.window.flags.always_seq_id_layout
Flag: com.android.window.flags.always_seq_id_layout_wear
Change-Id: I65b58d8163542519c3bd92be398fd8486356678e