Remove and add service and action during apex load and unload

Bug: 232114573
Test: atest CtsInitTestCases ApexTestCases
Change-Id: I1f91ada1d44ac2380e2faf8fc25e0a521cc1a826
diff --git a/init/Android.bp b/init/Android.bp
index 58f4a9e..6d36945 100644
--- a/init/Android.bp
+++ b/init/Android.bp
@@ -53,6 +53,7 @@
     "util.cpp",
 ]
 init_device_sources = [
+    "apex_init_util.cpp",
     "block_dev_initializer.cpp",
     "bootchart.cpp",
     "builtins.cpp",