Bump com.mikepenz:materialdrawer in /android-refimpl-app

Bumps [com.mikepenz:materialdrawer](https://github.com/mikepenz/MaterialDrawer) from 6.0.9 to 9.0.2.
- [Release notes](https://github.com/mikepenz/MaterialDrawer/releases)
- [Changelog](https://github.com/mikepenz/MaterialDrawer/blob/develop/gradle-release.gradle)
- [Commits](mikepenz/MaterialDrawer@v6.0.9...v9.0.2)

---
updated-dependencies:
- dependency-name: com.mikepenz:materialdrawer
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

android-refimpl-app/app/build.gradle

@@ -282,7 +282,7 @@ dependencies {
     //
     // HINT: can't update to latest version: just too many useless changes and also kotlin again :-(
     //noinspection GradleDependency
-    implementation('com.mikepenz:materialdrawer:6.0.9@aar') {
+    implementation('com.mikepenz:materialdrawer:9.0.2@aar') {
         transitive = true
         exclude group: 'com.android.support'
         exclude group: 'com.github.bumptech.glide'