It's possible user to launch a app while platform reclaims memory
of the app via per-process reclaim. In that case, platform should
stop the reclaim and let the app launch via releasing mmap_sem.
Bug: 158479061
Signed-off-by: Minchan <minchan@google.com>
Change-Id: I7315031981629f32eb16a465e0e6da3cd13d6373
(cherry picked from commit 2cd57b68c235a8b5cbd7c970cddc1a0fdd643fd1)