Add disassemble helper to DesugaredLibraryTestCompileResult

Bug: b/391572031
Change-Id: Ib4e580bc3c71d49ff7e76f06dcb686b68a8549c0
diff --git a/src/test/testbase/java/com/android/tools/r8/desugar/desugaredlibrary/test/DesugaredLibraryTestCompileResult.java b/src/test/testbase/java/com/android/tools/r8/desugar/desugaredlibrary/test/DesugaredLibraryTestCompileResult.java
index 023803d..0f11fc1 100644
--- a/src/test/testbase/java/com/android/tools/r8/desugar/desugaredlibrary/test/DesugaredLibraryTestCompileResult.java
+++ b/src/test/testbase/java/com/android/tools/r8/desugar/desugaredlibrary/test/DesugaredLibraryTestCompileResult.java
@@ -61,6 +61,11 @@
     this.runnableCompiledResult = computeRunnableCompiledResult();
   }
 
+  public DesugaredLibraryTestCompileResult<T> disassemble() throws IOException, ExecutionException {
+    compileResult.disassemble();
+    return this;
+  }
+
   public <E extends Throwable> DesugaredLibraryTestCompileResult<T> inspectCustomLib(
       ThrowingConsumer<CodeInspector, E> consumer) throws IOException, E {
     assert customLibCompile != null;