Bump org.robolectric:robolectric from 4.4 to 4.12.1

Bumps [org.robolectric:robolectric](https://github.com/robolectric/robolectric) from 4.4 to 4.12.1.
- [Release notes](https://github.com/robolectric/robolectric/releases)
- [Commits](robolectric/robolectric@robolectric-4.4...robolectric-4.12.1)

---
updated-dependencies:
- dependency-name: org.robolectric:robolectric
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

build.gradle

@@ -35,7 +35,7 @@ buildscript {
         junitGradlePluignVersion = '1.6.1.0'
         junitVersion = '5.5.2'
         mockkVersion = '1.10.2'
-        robolectricVersion = '4.4'
+        robolectricVersion = '4.12.1'
         truthVersion = '1.1'
         vintageJunitVersion = '4.12'