Revert "libprocessgroup: Remove ACgroupController_getMaxActivati..."

Revert submission 3212512

Reason for revert: Droidmonitor created revert due to b/372273614. Will be verifying through ABTD before submission.

Reverted changes: /q/submissionid:3212512

Change-Id: I0964d1300791334cdc9e98220324d934f7ba113e
diff --git a/libprocessgroup/cgrouprc/libcgrouprc.map.txt b/libprocessgroup/cgrouprc/libcgrouprc.map.txt
index b62b10f..30bd25f 100644
--- a/libprocessgroup/cgrouprc/libcgrouprc.map.txt
+++ b/libprocessgroup/cgrouprc/libcgrouprc.map.txt
@@ -16,3 +16,10 @@
   local:
     *;
 };
+
+LIBCGROUPRC_36 { # introduced=36
+  global:
+    ACgroupController_getMaxActivationDepth; # llndk=202504 systemapi
+  local:
+    *;
+};