Update to use ET prebuilt Android library on 20240719 (pytorch#929)

* Update to use ET prebuilt Android library on 20240719

* Use rc3 and fix android build

README.md

@@ -348,20 +348,20 @@ Currently the tokenizer is built at compile time, so you need to re-build the ap
 > [!NOTE]
 > The script to build the AAR can be found [here](https://github.com/pytorch/executorch/blob/main/build/build_android_library.sh). If you need to tweak with the tokenizer or runtime (for example use your own tokenizer or runtime library), you can modify the ExecuTorch code and use that script to build the AAR library.
 
-[executorch-llama-torchchat-bpe.aar](https://ossci-android.s3.amazonaws.com/executorch/release/0.3/executorch-llama-bpe-rc1.aar) (SHASUM: 673af4a1338a93d47369b68ec0d52b8ea7f983a2)
+[executorch-llama-bpe-rc3-0719.aar](https://ossci-android.s3.amazonaws.com/executorch/main/executorch-llama-bpe-rc3-0719.aar) (SHASUM: d5fe81d9a4700c36b50ae322e6bf34882134edb0)
 
-[executorch-llama-torchchat-tiktoken.aar](https://ossci-android.s3.amazonaws.com/executorch/release/0.3/executorch-llama-tiktoken-rc1.aar) (SHASUM: 575190205dbb1ee932a277b50520dc4260a9a9cf)
+[executorch-llama-tiktoken-rc3-0719.aar](https://ossci-android.s3.amazonaws.com/executorch/main/executorch-llama-tiktoken-rc3-0719.aar) (SHASUM: c3e5d2a97708f033c2b1839a89f12f737e3bbbef)
 
 For BPE tokenizer:
 ```
-curl https://ossci-android.s3.amazonaws.com/executorch/release/0.3/executorch-llama-bpe-rc1.aar -o android/Torchchat/app/libs/executorch.aar --create-dirs
-echo "673af4a1338a93d47369b68ec0d52b8ea7f983a2  android/Torchchat/app/libs/executorch.aar" | shasum --check
+curl https://ossci-android.s3.amazonaws.com/executorch/main/executorch-llama-bpe-rc3-0719.aar -o android/Torchchat/app/libs/executorch.aar --create-dirs
+echo "d5fe81d9a4700c36b50ae322e6bf34882134edb0  android/Torchchat/app/libs/executorch.aar" | shasum --check
 ```
 
 For tiktoken tokenizer:
 ```
-curl https://ossci-android.s3.amazonaws.com/executorch/release/0.3/executorch-llama-tiktoken-rc1.aar -o android/Torchchat/app/libs/executorch.aar --create-dirs
-echo "575190205dbb1ee932a277b50520dc4260a9a9cf  android/Torchchat/app/libs/executorch.aar" | shasum --check
+curl https://ossci-android.s3.amazonaws.com/executorch/main/executorch-llama-tiktoken-rc3-0719.aar -o android/Torchchat/app/libs/executorch.aar --create-dirs
+echo "c3e5d2a97708f033c2b1839a89f12f737e3bbbef  android/Torchchat/app/libs/executorch.aar" | shasum --check
 ```
 
 You also need to push the model and tokenizer file to your device. Please refer to the docs above on generating the pte and bin file, or use E2E script (see section below) to generate and push the file.

android/Torchchat/app/src/main/AndroidManifest.xml

@@ -1,11 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
 <!--
  Copyright (c) Meta Platforms, Inc. and affiliates.
  All rights reserved.
 
  This source code is licensed under the BSD-style license found in the
  LICENSE file in the root directory of this source tree.
  -->
-<?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 

scripts/android_example.sh

@@ -31,11 +31,11 @@ else
 fi
 
 if [ "${USE_TIKTOKEN:-OFF}" == "ON" ]; then
-LLAMA_AAR_URL="https://ossci-android.s3.amazonaws.com/executorch/release/0.3/executorch-llama-tiktoken-rc1.aar"
-LLAMA_AAR_SHASUM="575190205dbb1ee932a277b50520dc4260a9a9cf"
+  LLAMA_AAR_URL="https://ossci-android.s3.amazonaws.com/executorch/main/executorch-llama-tiktoken-rc3-0719.aar"
+  LLAMA_AAR_SHASUM="c3e5d2a97708f033c2b1839a89f12f737e3bbbef"
 else
-LLAMA_AAR_URL="https://ossci-android.s3.amazonaws.com/executorch/release/0.3/executorch-llama-bpe-rc1.aar"
-LLAMA_AAR_SHASUM="673af4a1338a93d47369b68ec0d52b8ea7f983a2"
+  LLAMA_AAR_URL="https://ossci-android.s3.amazonaws.com/executorch/main/executorch-llama-bpe-rc3-0719.aar"
+  LLAMA_AAR_SHASUM="d5fe81d9a4700c36b50ae322e6bf34882134edb0"
 fi
 
 mkdir -p ${TORCHCHAT_ROOT}/build/android
@@ -162,4 +162,4 @@ adb install -t android/Torchchat/app/build/outputs/apk/debug/app-debug.apk
 
 if [ -z "${CI_ENV:-}" ]; then
   read -p "Press enter to exit emulator and finish"
-else
+fi