Fix custom conversion path

Change-Id: I0ecc30622a4807de045f4aa09abe481404538176
diff --git a/tools/utils.py b/tools/utils.py
index 8c82109..96c09ea 100644
--- a/tools/utils.py
+++ b/tools/utils.py
@@ -36,7 +36,7 @@
 BUILD_TEST_DIR = os.path.join(BUILD, 'classes', 'test')
 LIBS = os.path.join(BUILD, 'libs')
 CUSTOM_CONVERSION_DIR = os.path.join(
-    THIRD_PARTY, 'openjdk', 'desugar_jdk_libs', 'custom_conversion')
+    THIRD_PARTY, 'openjdk', 'custom_conversion')
 GENERATED_LICENSE_DIR = os.path.join(BUILD, 'generatedLicense')
 SRC_ROOT = os.path.join(REPO_ROOT, 'src', 'main', 'java')
 TEST_ROOT = os.path.join(REPO_ROOT, 'src', 'test', 'java')