Fix Runfiles docs after #301 (#302)

Closes #302

COPYBARA_INTEGRATE_REVIEW=https://github.com/bazelbuild/rules_java/pull/302 from fmeum:patch-4 feca4dbff3d928b2165d31d82bbe6a9ff7803e6e
PiperOrigin-RevId: 770694363
Change-Id: I3c369b638abbdd4c4fb9ad414802e4af1b5abfea

java/runfiles/src/main/java/com/google/devtools/build/runfiles/Runfiles.java

diff --git a/java/runfiles/src/main/java/com/google/devtools/build/runfiles/Runfiles.java b/java/runfiles/src/main/java/com/google/devtools/build/runfiles/Runfiles.java
index 681f247..06221b7 100644
--- a/java/runfiles/src/main/java/com/google/devtools/build/runfiles/Runfiles.java
+++ b/java/runfiles/src/main/java/com/google/devtools/build/runfiles/Runfiles.java
@@ -46,7 +46,7 @@
  * <p>2. Import the runfiles library.
  *
  * <pre>
- *   import Runfiles;
+ *   import com.google.devtools.build.runfiles.Runfiles;
  * </pre>
  *
  * <p>3. Create a {@link Runfiles.Preloaded} object:
@@ -64,7 +64,7 @@
  * repository containing the class from a constant generated by this annotation:
  *
  * <pre>
- *   import AutoBazelRepository;
+ *   import com.google.devtools.build.runfiles.AutoBazelRepository;
  *   &#64;AutoBazelRepository
  *   public class MyClass {
  *     public void myFunction() {