Fix crash (#11096)

Author: kirklandsign

extension/android/executorch_android/src/androidTest/java/org/pytorch/executorch/ModuleE2ETest.kt

@@ -69,10 +69,6 @@ class ModuleE2ETest {
 
         val module = Module.load(getTestFilePath("/mv3_xnnpack_fp32.pte"))
         val expectedBackends = arrayOf("XnnpackBackend")
-        Assert.assertArrayEquals(
-            expectedBackends,
-            module.getMethodMetadata("forward").getBackends(),
-        )
     }
 
     @Test

extension/android/executorch_android/src/androidTest/java/org/pytorch/executorch/ModuleInstrumentationTest.kt

@@ -59,9 +59,6 @@ class ModuleInstrumentationTest {
     @Throws(IOException::class, URISyntaxException::class)
     fun testMethodMetadata() {
         val module = Module.load(getTestFilePath(TEST_FILE_NAME))
-
-        Assert.assertArrayEquals(arrayOf("forward"), module.getMethods())
-        Assert.assertTrue(module.getMethodMetadata("forward").backends.isEmpty())
     }
 
     @Test

extension/android/executorch_android/src/main/java/org/pytorch/executorch/Module.java

@@ -59,7 +59,7 @@ Map<String, MethodMetadata> populateMethodMeta() {
     Map<String, MethodMetadata> metadata = new HashMap<String, MethodMetadata>();
     for (int i = 0; i < methods.length; i++) {
       String name = methods[i];
-      metadata.put(name, new MethodMetadata().setName(name).setBackends(getUsedBackends(name)));
+      metadata.put(name, new MethodMetadata().setName(name));
     }
 
     return metadata;