Create C-Suite config module

* Defined a build target csuite_config.go for C-Suite, so that C-Suite
test modules can be declare in Android.bp files.
* Modified vts_config.go to use the general Makefile
suite_host_config.mk.

Test: make csuite, forrest test for vts
Change-Id: I5f67c54e05b113ac6c5d226930618e6811e6e602
Merged-In: I5f67c54e05b113ac6c5d226930618e6811e6e602
diff --git a/Android.bp b/Android.bp
index 1dfac87..6389421 100644
--- a/Android.bp
+++ b/Android.bp
@@ -45,6 +45,7 @@
         "android/api_levels.go",
         "android/arch.go",
         "android/config.go",
+        "android/csuite_config.go",
         "android/defaults.go",
         "android/defs.go",
         "android/expand.go",
@@ -85,6 +86,7 @@
         "android/androidmk_test.go",
         "android/arch_test.go",
         "android/config_test.go",
+        "android/csuite_config_test.go",
         "android/expand_test.go",
         "android/module_test.go",
         "android/mutator_test.go",