ci/android: update ANDROID_NDK and ANDROID_SDK_VERSION

Update ANDROID_NDK to the latest stable release 27c and bump
ANDROID_SDK_VERSION to API version 34 which matches the Android 14
release we are using for the cuttlefish images.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33188>
2 files changed