[AOTI] Flag to include aoti sources when building lite interpreter (p…

…ytorch#126572)

Summary:
Added USE_LITE_AOTI cmake flag, which is turned OFF by default.
When it is turned on, the AOTI sources  (inductor_core_resources) are included when building lite interpreter

Test Plan:
```
ANDROID_ABI=arm64-v8a ./scripts/build_android.sh -DUSE_LITE_AOTI=ON
```

Differential Revision: D57394078

Pull Request resolved: pytorch#126572
Approved by: https://github.com/malfet

CMakeLists.txt

@@ -279,6 +279,9 @@ endif()
 option(USE_SLEEF_FOR_ARM_VEC256 "Use sleef for arm" OFF)
 option(USE_SOURCE_DEBUG_ON_MOBILE "Enable" ON)
 option(USE_LITE_INTERPRETER_PROFILER "Enable" ON)
+cmake_dependent_option(
+  USE_LITE_AOTI "Include AOTI sources" OFF
+  "BUILD_LITE_INTERPRETER" OFF)
 option(USE_VULKAN_FP16_INFERENCE "Vulkan - Use fp16 inference" OFF)
 option(USE_VULKAN_RELAXED_PRECISION "Vulkan - Use relaxed precision math in the kernels (mediump)" OFF)
 # option USE_XNNPACK: try to enable xnnpack by default.

caffe2/CMakeLists.txt

@@ -457,6 +457,9 @@ if(BUILD_LITE_INTERPRETER)
   append_filelist("libtorch_lite_cmake_sources" LIBTORCH_CMAKE_SRCS)
   list(APPEND LIBTORCH_CMAKE_SRCS ${LITE_EAGER_SYMOBLICATION_SRCS})
   list(APPEND LIBTORCH_CMAKE_SRCS ${LITE_PROFILER_SRCS})
+  if(USE_LITE_AOTI)
+    append_filelist("inductor_core_resources" LIBTORCH_CMAKE_SRCS)
+  endif()
   set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
 else()
   append_filelist("libtorch_cmake_sources" LIBTORCH_CMAKE_SRCS)