mv com/google/domain/registry google/registry

This change renames directories in preparation for the great package
rename. The repository is now in a broken state because the code
itself hasn't been updated. However this should ensure that git
correctly preserves history for each file.

java/google/registry/keyring/api/BUILD

@@ -0,0 +1,17 @@
+package(
+    default_visibility = ["//java/com/google/domain/registry:registry_project"],
+)
+
+
+java_library(
+    name = "api",
+    srcs = glob(["*.java"]),
+    visibility = ["//visibility:public"],
+    deps = [
+        "//java/com/google/common/base",
+        "//third_party/java/bouncycastle",
+        "//third_party/java/bouncycastle_bcpg",
+        "//third_party/java/dagger",
+        "//third_party/java/jsr305_annotations",
+    ],
+)