[Android script] Add QNN related lib to AAR

Add QNN related lib to AAR. Copy from QNN SDK.

Pull Request resolved: #5156

Author: kirklandsign

build/build_android_llm_demo.sh

@@ -84,6 +84,19 @@ build_android_native_library() {
   # Copy artifacts to ABI specific directory
   mkdir -p "${BUILD_AAR_DIR}/jni/${ANDROID_ABI}"
   cp "${CMAKE_OUT}"/extension/android/*.so "${BUILD_AAR_DIR}/jni/${ANDROID_ABI}/"
+
+  # Copy QNN related so library
+  if [ -n "$QNN_SDK_ROOT" ] && [ "$ANDROID_ABI" == "arm64-v8a" ]; then
+    cp "${CMAKE_OUT}"/lib/libqnn_executorch_backend.so "${BUILD_AAR_DIR}/jni/${ANDROID_ABI}/"
+    cp "${QNN_SDK_ROOT}"/lib/aarch64-android/libQnnHtp.so "${BUILD_AAR_DIR}/jni/${ANDROID_ABI}/"
+    cp "${QNN_SDK_ROOT}"/lib/aarch64-android/libQnnSystem.so "${BUILD_AAR_DIR}/jni/${ANDROID_ABI}/"
+    cp "${QNN_SDK_ROOT}"/lib/aarch64-android/libQnnHtpV69Stub.so "${BUILD_AAR_DIR}/jni/${ANDROID_ABI}/"
+    cp "${QNN_SDK_ROOT}"/lib/aarch64-android/libQnnHtpV73Stub.so "${BUILD_AAR_DIR}/jni/${ANDROID_ABI}/"
+    cp "${QNN_SDK_ROOT}"/lib/aarch64-android/libQnnHtpV75Stub.so "${BUILD_AAR_DIR}/jni/${ANDROID_ABI}/"
+    cp "${QNN_SDK_ROOT}"/lib/hexagon-v69/unsigned/libQnnHtpV69Skel.so "${BUILD_AAR_DIR}/jni/${ANDROID_ABI}/"
+    cp "${QNN_SDK_ROOT}"/lib/hexagon-v73/unsigned/libQnnHtpV73Skel.so "${BUILD_AAR_DIR}/jni/${ANDROID_ABI}/"
+    cp "${QNN_SDK_ROOT}"/lib/hexagon-v75/unsigned/libQnnHtpV75Skel.so "${BUILD_AAR_DIR}/jni/${ANDROID_ABI}/"
+  fi
 }
 
 build_aar() {
@@ -96,8 +109,8 @@ build_aar() {
   # between Java and JNI
   find jni -type f -name "libexecutorch_jni.so" -exec bash -c 'mv "$1" "${1/_jni/}"' bash {} \;
   # Zip all necessary files into the AAR file
-  zip -r executorch.aar libs jni/*/libexecutorch.so AndroidManifest.xml
-  zip -r executorch-llama.aar libs jni/*/libexecutorch_llama_jni.so AndroidManifest.xml
+  zip -r executorch.aar libs jni/*/libexecutorch.so jni/*/libqnn*.so jni/*/libQnn*.so AndroidManifest.xml
+  zip -r executorch-llama.aar libs jni/*/libexecutorch_llama_jni.so jni/*/libqnn*.so jni/*/libQnn*.so AndroidManifest.xml
   popd
 }