Start fleshing out the GlobalConfiguration component

Not quite possible to build it as an individual target.

Test: unit tests
Bug: 135440934
Change-Id: I0dc2a27bbcab96d4b9fc844f53d34335946fd1b2
diff --git a/Android.bp b/Android.bp
index 451a38b..077a228 100644
--- a/Android.bp
+++ b/Android.bp
@@ -95,6 +95,7 @@
     defaults: ["tradefed_defaults"],
     srcs: [
         "src/**/*.java",
+        "global_configuration/**/*.java",
     ],
     java_resource_dirs: [
         "res",