Revert "libprocessgroup: Remove cgroup.rc file"

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: I37568516e973cb940f1229d52f94b8dc801da2ab
diff --git a/libcutils/Android.bp b/libcutils/Android.bp
index fc4c571..3c3eeb6 100644
--- a/libcutils/Android.bp
+++ b/libcutils/Android.bp
@@ -301,7 +301,7 @@
         android: {
             static_executable: true,
             static_libs: [
-                "libprocessgroup_util",
+                "libcgrouprc_format",
             ] + test_libraries + always_static_test_libraries,
         },
         not_windows: {