Avoid set transition ready to false when backgroud activity launch blocked

Fix the following scenario problem:
When creating an OPEN transition, collecting participants and apply ready true.
At this time, another activity is started in the background and blocked.
We collect this activity and set transition ready false,
but we have no chance to set ready to true again until readiness timed-out.

Bug:372405077

Change-Id: I10c34183fcc3b9a8bc0fc71252cfb76666c6f6af
Signed-off-by: tanxiaoyan <tanxiaoyan@xiaomi.com>
1 file changed