fix: android build

Naturalclar · Naturalclar · commit ff51a6436251 · 2020-01-14T01:20:56.000+09:00
diff --git a/example/android/gradle.properties b/example/android/gradle.properties
@@ -16,3 +16,5 @@
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
+android.useAndroidX=true
+android.enableJetifier=true
