Rename apmanager's Android init file

Android is using <service>.rc instead of init.<service>.rc.

While there, include the init file in the build target and
remove the seclabel from the init file.

Bug: 22828115
TEST=Manual test on dragonboard

Change-Id: Ia29cb197ec1ebca5d3003d62e9f24060bffd073a
2 files changed