Improve Transition GC initiation by removing the 5s delay

Once an app transitions to cached state and the runtime is updated, a
transition GC should immediately be requested without the 5s delay.
This allows the GC to execute before the app gets frozen and removes the
not needed 5s delay.

Test: Local testing
Bug: 272381448
Change-Id: I5197c1367c4c4c841af6de666e94276fcba0d85c
2 files changed