libprocessgroup users use libcutils

libprocessgroup symbols are being moved into libcutils in order to
optimize linking/memory usage. libprocessgroup will no longer be
required in the future (however removing references to it will come
separately).

Bug: 135145426
Test: boot
Change-Id: Ie268ddbdb5a8b2eb254c956c8262aed8405752fa
diff --git a/libbpf_android/Android.bp b/libbpf_android/Android.bp
index da5c6a6..99a7372 100644
--- a/libbpf_android/Android.bp
+++ b/libbpf_android/Android.bp
@@ -44,8 +44,8 @@
 
     shared_libs: [
         "libbase",
+        "libcutils",
         "libutils",
-        "libprocessgroup",
         "liblog",
         "libnetdutils",
         "libbpf",