Work on issue #130684057: oom_adj scores for 1P apps are abnormally low

Also bind with BIND_NOT_VISIBLE from JobScheduler, so we don't raise the
target's oom_adj in to the visible range.  It isn't.

Bug: 130684057
Test: manual
Change-Id: I995fc74136941b064b625b59915a8e182de91221
1 file changed