libprocessgroup: Android.mk -> Android.bp

Test: links
Test: (sanity) boot marlin in recovery + to system UI
Bug: 37512442
Change-Id: Ie19c02bda9df7c0cfdeeaf34c48f251b2b93961d
diff --git a/libprocessgroup/Android.bp b/libprocessgroup/Android.bp
new file mode 100644
index 0000000..37e4dbf
--- /dev/null
+++ b/libprocessgroup/Android.bp
@@ -0,0 +1,10 @@
+cc_library {
+    srcs: ["processgroup.cpp"],
+    name: "libprocessgroup",
+    shared_libs: ["libbase"],
+    export_include_dirs: ["include"],
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
+}