Open source a few more analysis tests.

--
MOS_MIGRATED_REVID=92715161
diff --git a/src/main/java/com/google/devtools/build/lib/packages/Package.java b/src/main/java/com/google/devtools/build/lib/packages/Package.java
index b6328a3..1b4db38 100644
--- a/src/main/java/com/google/devtools/build/lib/packages/Package.java
+++ b/src/main/java/com/google/devtools/build/lib/packages/Package.java
@@ -528,8 +528,8 @@
    * for walking through the dependency graph of a target.
    * Fails if the target is not a Rule.
    */
-  @VisibleForTesting
-  Rule getRule(String targetName) {
+  @VisibleForTesting // Should be package-private
+  public Rule getRule(String targetName) {
     return (Rule) targets.get(targetName);
   }