fix llama-runner-linux-android (#3127)

Summary: Pull Request resolved: #3127

Reviewed By: larryliu0820, kirklandsign

Differential Revision: D56306284

Author: manuelcandales

.ci/scripts/build_llama_android.sh

@@ -26,6 +26,7 @@ install_executorch_and_backend_lib() {
     -DEXECUTORCH_BUILD_EXTENSION_DATA_LOADER=ON \
     -DEXECUTORCH_BUILD_XNNPACK=ON \
     -DEXECUTORCH_BUILD_OPTIMIZED=ON \
+    -DEXECUTORCH_BUILD_QUANTIZED=ON \
     -DXNNPACK_ENABLE_ARM_BF16=OFF \
     -Bcmake-android-out .