Restrict java_sdk_library in libs

Instead, the module should specify the submodule it actually depends on.
This is a prereq change to removing the java_sdk_library "magic"

Test: m nothing --no-skip-soong-tests
Bug: 366069293
Change-Id: I9137c079afc7abf201e597e323ae7de415eea0dc

java/java_test.go

@@ -670,7 +670,7 @@ func TestPrebuilts(t *testing.T) {
 		java_library {
 			name: "foo",
 			srcs: ["a.java", ":stubs-source"],
-			libs: ["bar", "sdklib"],
+			libs: ["bar", "sdklib.stubs"],
 			static_libs: ["baz"],
 		}