android-ndk@9d: build failure on OS X 10.15.7 X86_64

[LLuke (Luke)]

The unsupported i386 target under OS X Catalina appears to be the culprit. The port file should make sure disable this target.

% sudo port install android android-ndk android-platform-tools
...
--->  Found 1 broken file, matching files to ports       
Error: Port android-ndk is still broken after rebuilding it more than 3 times.
Error: Please run port -d -y rev-upgrade and use the output to report a bug.
Error: rev-upgrade failed: Port android-ndk still broken after rebuilding 3 times
Error: Follow https://guide.macports.org/#project.tickets if you believe there is a bug.
--->  Some of the ports you installed have notes:
  android-ndk has the following notes:
    android-ndk-macosx has been made group _developer writable
% sudo port -d -y rev-upgrade
...
DEBUG: Missing architecture i386 in file outside prefix referenced from /opt/local/share/java/android-ndk-macosx/toolchains/x86-4.8/prebuilt/darwin-x86/libexec/gcc/i686-linux-android/4.8/lto1
DEBUG: Missing architecture i386 in file /usr/lib/libstdc++.6.dylib
DEBUG: Missing architecture i386 in file outside prefix referenced from /opt/local/share/java/android-ndk-macosx/toolchains/x86-4.8/prebuilt/darwin-x86/libexec/gcc/i686-linux-android/4.8/plugin/gengtype
DEBUG: Missing architecture i386 in file /usr/lib/libiconv.2.dylib
DEBUG: Missing architecture i386 in file outside prefix referenced from /opt/local/share/java/android-ndk-macosx/toolchains/x86-4.8/prebuilt/darwin-x86/libexec/gcc/i686-linux-android/4.8/plugin/gengtype
--->  Found 1 broken file, matching files to ports
--->  Found 1 broken port, determining rebuild order
DEBUG: Broken: android-ndk
DEBUG: Processing port android-ndk @0:9d_0
You can always run 'port rev-upgrade' again to fix errors.
The following ports will be rebuilt: android-ndk @9d