Fix spacing in patch argument

Author: marcprux

swift-ci/sdks/android/patches/page-size-16KB-81398-targets.patch

@@ -5,7 +5,7 @@ index fba09416ddb..3fbc51955f4 100644
 @@ -165,6 +165,7 @@ class AndroidPlatform(Platform):
 
          flags += '-sdk %s/sysroot ' % (android_toolchain_path)
-         flags += '-tools-directory %s/bin' % (android_toolchain_path)
+         flags += '-tools-directory %s/bin ' % (android_toolchain_path)
 +        flags += '--Xclang-linker -Wl,-z,max-page-size=16384'
          return flags