Doing some rename

Author: kirklandsign

extension/android/executorch_android/src/main/java/org/pytorch/executorch/extension/llm/LlmModule.java

@@ -182,14 +182,14 @@ public long prefillImages(int[] image, int width, int height, int channels, long
     if (startPos == 0) {
       resetContext();
     }
-    int nativeResult = prefillImagesNative(image, width, height, channels);
+    int nativeResult = appendImagesInput(image, width, height, channels);
     if (nativeResult != 0) {
       throw new RuntimeException("Prefill failed with error code: " + nativeResult);
     }
     return 0;
   }
 
-  private native int prefillImagesNative(int[] image, int width, int height, int channels);
+  private native int appendImagesInput(int[] image, int width, int height, int channels);
 
   /**
    * Prefill an LLaVA Module with the given text input.
@@ -208,15 +208,15 @@ public long prefillPrompt(String prompt, long startPos, int bos, int eos) {
     if (startPos == 0) {
       resetContext();
     }
-    int nativeResult = prefillPromptNative(prompt, bos, eos);
+    int nativeResult = appendTextInput(prompt, bos, eos);
     if (nativeResult != 0) {
       throw new RuntimeException("Prefill failed with error code: " + nativeResult);
     }
     return 0;
   }
 
   // returns a tuple of (status, updated startPos)
-  private native int prefillPromptNative(String prompt, int bos, int eos);
+  private native int appendTextInput(String prompt, int bos, int eos);
 
   /**
    * Generate tokens from the given prompt, starting from the given position.

extension/android/jni/jni_layer_llama.cpp

@@ -260,15 +260,15 @@ class ExecuTorchLlmJni : public facebook::jni::HybridClass<ExecuTorchLlmJni> {
   // Returns a tuple of (error, start_pos)
   // Contract is valid within an AAR (JNI + corresponding Java code)
   // If the first element is not Error::Ok, the other element is undefined.
-  jint prefill_prompt(
+  jint append_text_input(
       facebook::jni::alias_ref<jstring> prompt,
       jint bos,
       jint eos) {
     prefill_inputs_.emplace_back(llm::MultimodalInput{prompt->toStdString()});
     return 0;
   }
 
-  jint prefill_images(
+  jint append_images_input(
       facebook::jni::alias_ref<jintArray> image,
       jint width,
       jint height,
@@ -349,9 +349,9 @@ class ExecuTorchLlmJni : public facebook::jni::HybridClass<ExecuTorchLlmJni> {
         makeNativeMethod("stop", ExecuTorchLlmJni::stop),
         makeNativeMethod("load", ExecuTorchLlmJni::load),
         makeNativeMethod(
-            "prefillImagesNative", ExecuTorchLlmJni::prefill_images),
+            "appendImagesInput", ExecuTorchLlmJni::append_images_input),
         makeNativeMethod(
-            "prefillPromptNative", ExecuTorchLlmJni::prefill_prompt),
+            "appendTextInput", ExecuTorchLlmJni::append_text_input),
         makeNativeMethod(
             "generateFromPos", ExecuTorchLlmJni::generate_from_pos),
         makeNativeMethod("resetContext", ExecuTorchLlmJni::reset_context),