Add ndk r11c
NDK11 is required by some apps (some versions of VLC) which will not build with r10e or r12b. As always, please test this before merging: I havent added a NDK before.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
NDK11 is required by some apps (some versions of VLC) which will not build with r10e or r12b. As always, please test this before merging: I havent added a NDK before.