Subscribe ActivityManagerService to receive lmkd kill notifications

With new LMK_SUBSCRIBE lmkd command clients need to subscribe for lmkd
notifications.

Bug: 146597855
Test: run lmkd_unit_test and verify kill notification delivery
Change-Id: Ib54647ce36426a56db3ab6f95f375a0a0ce352ce
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
1 file changed