Remove unnecessary imports in build file
Remove unnecessary imports in build file

Test: ./gradlew :lint-demos:lint-demo-appcompat:compileDebugAndroidTestJavaWithJavac
Change-Id: Id3c89b72eff10b09a1d1c6eda813e4c4554622eb

AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx