Android: treat module similar to WinSDK

Setup the interface include directory that seems to not be setup
implicitly by CMake as it should be. This workaround is necessary to
ensure that we are able to build against this module.

Author: compnerd

Runtimes/Overlay/Android/Android/CMakeLists.txt

@@ -11,10 +11,15 @@ set_target_properties(swiftAndroid PROPERTIES
   Swift_MODULE_NAME Android)
 target_compile_definitions(swiftAndroid PRIVATE
   $<$<BOOL:${SwiftOverlay_ENABLE_REFLECTION}>:SWIFT_ENABLE_REFLECTION>)
+target_link_libraries(swiftAndroid PUBLIC
+  SwiftAndroid)
 target_link_libraries(swiftAndroid PRIVATE
-  SwiftAndroid
   swiftCore)
 
+# FIXME: Why is this not implicitly in the interface flags?
+target_include_directories(swiftAndroid INTERFACE
+  "$<$<COMPILE_LANGUAGE:Swift>:$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${SwiftCore_INSTALL_SWIFTMODULEDIR}>>")
+
 install(TARGETS swiftAndroid
   EXPORT SwiftOverlayTargets
   ARCHIVE DESTINATION "${SwiftOverlay_INSTALL_LIBDIR}"