Refactor of the OSGI bazel rules

- renamed the .bzl file to match the accepted snake case naming standard
- removed an uneccesary veneer method inside the rule implementation

Change-Id: I1e0f5aecf1d4b7b73e7376c1bb4c296960aaa5fc
diff --git a/tools/build_rules/prelude_bazel b/tools/build_rules/prelude_bazel
index abdd0db..6114082 100644
--- a/tools/build_rules/prelude_bazel
+++ b/tools/build_rules/prelude_bazel
@@ -2,7 +2,7 @@
         "generated_java_libraries", "COMPILE", "CORE_DEPS", "JACKSON",
         "TEST_ADAPTERS", "TEST", "TEST_REST", "METRICS", "KRYO", "NETTY", "GRPC_1_3")
 
-load("//tools/build/bazel:osgi-java-library.bzl", "osgi_jar_with_tests", "osgi_jar", "wrapped_osgi_library")
+load("//tools/build/bazel:osgi_java_library.bzl", "osgi_jar_with_tests", "osgi_jar", "wrapped_osgi_jar")
 load("//tools/build/bazel:osgi_features.bzl", "osgi_feature")
 
 generated_java_libraries()