Add licence mention as per https://github.com/maplibre/maplibre-gl-native/blob/master/LICENSE.md

vector/src/main/assets/open_source_licenses.html

@@ -254,6 +254,33 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 </pre>
 
+<ul>
+    <li>
+        <b>org.maplibre.gl:android-sdk</b>
+        <br/>
+        <b>org.maplibre.gl:android-plugin-annotation-v9</b>
+        <br/>
+        BSD 2-Clause License
+
+        Copyright (c) 2021 MapLibre contributors
+
+        Copyright (c) 2018-2021 MapTiler.com
+
+        Copyright (c) 2014-2020 Mapbox
+    </li>
+</ul>
+<pre>
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+</pre>
+
 <ul>
     <li>
         <b>textdrawable</b>