Migrate to AndroidX framework

Change-Id: I55adcd7eb5c2713d9fd73b085ffc68e37e5e070f
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 0000000..dbb7bf7
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1,2 @@
+android.enableJetifier=true
+android.useAndroidX=true