libprocessgroup_setup: use libcgrouprc_format

Use CgroupController definition from libcgrouprc_format, not
libprocessgroup, because the wire format will be removed
from libprocessgroup later.

Bug: 123664216
Test: builds
Change-Id: If5e2301a1b65c3f6a51a1661cfeeed4e299f634e
Merged-In: If5e2301a1b65c3f6a51a1661cfeeed4e299f634e
diff --git a/init/Android.bp b/init/Android.bp
index e834e99..69ee34f 100644
--- a/init/Android.bp
+++ b/init/Android.bp
@@ -61,6 +61,7 @@
     static_libs: [
         "libseccomp_policy",
         "libavb",
+        "libcgrouprc_format",
         "libprotobuf-cpp-lite",
         "libpropertyinfoserializer",
         "libpropertyinfoparser",