Overchan fix build
add "ndk=r10e"
This line was removed by commit 45a97ad9f2f45a920e71cbcfbd972f16eee58c70 but now it fails to build.
https://f-droid.org/wiki/page/nya.miku.wishmaster/lastbuild_28
It seems that ndk r9b is used.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
add "ndk=r10e"
This line was removed by commit 45a97ad9f2f45a920e71cbcfbd972f16eee58c70 but now it fails to build.
https://f-droid.org/wiki/page/nya.miku.wishmaster/lastbuild_28
It seems that ndk r9b is used.