build CxxStdlib for Android too

Author: hyp

stdlib/public/Cxx/std/CMakeLists.txt

@@ -45,6 +45,7 @@ add_swift_target_library(swiftCxxStdlib STATIC NO_LINK_NAME IS_STDLIB IS_SWIFT_O
     SWIFT_MODULE_DEPENDS_WATCHOS ${swift_cxxstdlib_darwin_dependencies}
     SWIFT_MODULE_DEPENDS_XROS ${swift_cxxstdlib_darwin_dependencies}
     SWIFT_MODULE_DEPENDS_MACCATALYST ${swift_cxxstdlib_darwin_dependencies}
+    SWIFT_MODULE_DEPENDS_ANDROID Android
 
     SWIFT_COMPILE_FLAGS ${SWIFT_RUNTIME_SWIFT_COMPILE_FLAGS} ${SWIFT_STANDARD_LIBRARY_SWIFT_FLAGS}
     -cxx-interoperability-mode=default
@@ -56,7 +57,7 @@ add_swift_target_library(swiftCxxStdlib STATIC NO_LINK_NAME IS_STDLIB IS_SWIFT_O
     DEPLOYMENT_VERSION_OSX ${COMPATIBILITY_MINIMUM_DEPLOYMENT_VERSION_OSX}
 
     LINK_FLAGS "${SWIFT_RUNTIME_SWIFT_LINK_FLAGS}"
-    TARGET_SDKS ALL_APPLE_PLATFORMS LINUX WINDOWS
+    TARGET_SDKS ALL_APPLE_PLATFORMS LINUX WINDOWS ANDROID
     INSTALL_IN_COMPONENT compiler
     INSTALL_WITH_SHARED
     DEPENDS libstdcxx-modulemap libcxxshim_modulemap CxxStdlib-apinotes)