Enable INTERPROCEDURAL_OPTIMIZATION for libappmodules.so in OSS (#50580)

Summary:
Pull Request resolved: #50580

This follow ups to us enabling INTERPROCEDURAL_OPTIMIZATION to libreactnative.so and enables
INTERPROCEDURAL_OPTIMIZATION for the app module as well.

Changelog:
[Android] [Changed] - Enable INTERPROCEDURAL_OPTIMIZATION for libappmodules.so in OSS

Reviewed By: rshest

Differential Revision: D72696658

fbshipit-source-id: ec07c7df9a639b5c3df8923ec384db90a78463e9

Author: cortinico

packages/react-native/ReactAndroid/cmake-utils/ReactNative-application.cmake

@@ -31,6 +31,13 @@ if(CCACHE_FOUND)
   set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
 endif(CCACHE_FOUND)
 
+# If the user toolchain supports IPO, we enable it for the app build
+include(CheckIPOSupported)
+check_ipo_supported(RESULT IPO_SUPPORT)
+if (IPO_SUPPORT)
+  set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
+endif()
+
 set(BUILD_DIR ${PROJECT_BUILD_DIR})
 file(TO_CMAKE_PATH "${BUILD_DIR}" BUILD_DIR)
 file(TO_CMAKE_PATH "${REACT_ANDROID_DIR}" REACT_ANDROID_DIR)