[Bugfix] Add reading timeout when waiting for the reply of an application zygote.

Some defective or bad application zygote processes may do much work or just sleep in their doPreload, which makes the ActivityManager:procStart thread of system_server blocked and the other applications can not start.

Test: manual

Change-Id: I5045718719a5f876e2a03b30f104096894c4c307
1 file changed