Add initial bp2build support for converting android_app_certificate modules.

Test: Added unit test.

Change-Id: Ib5bf1711eca5be772e1bed73663dcb86252e0b4a
diff --git a/java/Android.bp b/java/Android.bp
index e5b8f96..9ffa123 100644
--- a/java/Android.bp
+++ b/java/Android.bp
@@ -10,6 +10,7 @@
         "blueprint-pathtools",
         "soong",
         "soong-android",
+        "soong-bazel",
         "soong-cc",
         "soong-dexpreopt",
         "soong-genrule",