Traverse parent DexClassLoaders for native libraries in DelegateClass…

…Loader

Fixes bazelbuild#13661 by traversing the class loaders looking for native libraries.

Closes bazelbuild#14965.

PiperOrigin-RevId: 447733120

src/tools/android/java/com/google/devtools/build/android/incrementaldeployment/IncrementalClassLoader.java

@@ -43,6 +43,11 @@ public Class<?> findClass(String className) throws ClassNotFoundException {
     return delegateClassLoader.findClass(className);
   }
 
+  @Override
+  public String findLibrary(String name) {
+    return delegateClassLoader.findLibrary(name);
+  }
+
   /**
    * A class loader whose only purpose is to make {@code findClass()} public.
    */
@@ -56,6 +61,20 @@ private DelegateClassLoader(
     public Class<?> findClass(String name) throws ClassNotFoundException {
       return super.findClass(name);
     }
+
+    @Override
+    public String findLibrary(String name) {
+      String foundLib = super.findLibrary(name);
+
+      for (ClassLoader parent = getParent();
+          foundLib == null && parent != null;
+          parent = parent.getParent()) {
+        if (parent instanceof BaseDexClassLoader) {
+          foundLib = ((BaseDexClassLoader) parent).findLibrary(name);
+        }
+      }
+      return foundLib;
+    }
   }
 
   private static DelegateClassLoader createDelegateClassLoader(