Fix Android LlamaDemo setup.sh (pytorch#5274)

Summary: Pull Request resolved: pytorch#5274

Reviewed By: shoumikhin

Differential Revision: D62514059

Pulled By: kirklandsign

fbshipit-source-id: 9e19c88d2926ab6a13dee8daffdbb58eaa4a85aa

examples/demo-apps/android/LlamaDemo/setup.sh

@@ -31,26 +31,13 @@ else
 fi
 cmake --build "${CMAKE_OUT}" -j "${CMAKE_JOBS}" --target install --config Release
 
-cmake examples/models/llama2 \
-         -DCMAKE_TOOLCHAIN_FILE=$ANDROID_NDK/build/cmake/android.toolchain.cmake \
-         -DANDROID_ABI="$ANDROID_ABI" \
-         -DANDROID_PLATFORM=android-23 \
-         -DCMAKE_INSTALL_PREFIX="${CMAKE_OUT}" \
-         -DEXECUTORCH_BUILD_KERNELS_CUSTOM=ON \
-         -DEXECUTORCH_BUILD_KERNELS_OPTIMIZED=ON \
-         -DEXECUTORCH_BUILD_EXTENSION_RUNNER_UTIL=ON \
-         -DEXECUTORCH_BUILD_XNNPACK=ON \
-         -DCMAKE_BUILD_TYPE=Release \
-         -B"${CMAKE_OUT}"/examples/models/llama2
-
-cmake --build "${CMAKE_OUT}"/examples/models/llama2 -j "${CMAKE_JOBS}" --config Release
-
 cmake extension/android \
   -DCMAKE_TOOLCHAIN_FILE=${ANDROID_NDK}/build/cmake/android.toolchain.cmake \
   -DANDROID_ABI="${ANDROID_ABI}" \
   -DANDROID_PLATFORM=android-23 \
   -DCMAKE_INSTALL_PREFIX="${CMAKE_OUT}" \
   -DEXECUTORCH_BUILD_EXTENSION_RUNNER_UTIL=ON \
+  -DEXECUTORCH_BUILD_KERNELS_CUSTOM=ON \
   -DEXECUTORCH_BUILD_LLAMA_JNI=ON \
   -DCMAKE_BUILD_TYPE=Release \
   -B"${CMAKE_OUT}"/extension/android