fix:build:Fdroid buildenviroment has no CXX and failes doue to this/C…

…XX not needed anyway

navit/android/build.gradle

@@ -17,7 +17,7 @@ android {
         }
         externalNativeBuild {
             cmake {
-                arguments '-DUSE_PLUGINS=n', '-DBUILD_MAPTOOL=n', '-DXSL_PROCESSING=n', '-DSAMPLE_MAP=n'
+                arguments '-DDISABLE_CXX=n', '-DUSE_PLUGINS=n', '-DBUILD_MAPTOOL=n', '-DXSL_PROCESSING=n', '-DSAMPLE_MAP=n'
             }
         }
     }