devel/fb-adb: unbreak fetch for 64bit NDK
fetch: https://dl.google.com/android/ndk/android-ndk-r11c-linux-x86_64.zip: Not Found
Note, :7z versus :zip sizes are
$ du -Ah android-ndk-* 376M android-ndk-r10e-linux-x86.bin 1.0G android-ndk-r10e-linux-x86.zip 383M android-ndk-r10e-linux-x86_64.bin 1.0G android-ndk-r10e-linux-x86_64.zip 757M android-ndk-r11c-linux-x86_64.zip 721M android-ndk-r12b-linux-x86_64.zip