no more dx on linux, use d8 to make it work

also they state that we can use any combination of "/*.class" but it doesn't work on linux OS so we have to go explicitly https://developer.android.com/studio/command-line/d8

Author: AnastaZIuk

cmake/common.cmake

@@ -364,7 +364,7 @@ macro(nbl_android_create_apk _TARGET)
 	)
 	set(D8_SCRIPT "${ANDROID_BUILD_TOOLS}/d8.bat")
     if(NOT EXISTS ${D8_SCRIPT})
-        set(DEX_COMMAND ${ANDROID_BUILD_TOOLS}/dx --dex --output=bin/classes.dex ./obj)
+        set(DEX_COMMAND ${ANDROID_BUILD_TOOLS}/d8 ./obj/eu/devsh/${TARGET_NAME}/Loader.class --output ./bin/)
     else()
         set(DEX_COMMAND ${D8_SCRIPT} --output ./bin/ ./obj/eu/devsh/${TARGET_NAME}/*.class)
     endif()
@@ -587,4 +587,4 @@ endmacro()
 
 macro(write_source_definitions NBL_FILE NBL_WRAPPER_CODE_TO_WRITE)
 	file(WRITE "${NBL_FILE}" "${NBL_WRAPPER_CODE_TO_WRITE}")
-endmacro()
+endmacro()