Firebase is still not using AndroidX so use Jetifier for now (#942)

rogerhu · Jawnnypoo · commit 7417db52564a · 2019-04-16T10:38:33.000-05:00
diff --git a/gradle.properties b/gradle.properties
@@ -0,0 +1,2 @@
+android.enableJetifier=true
+android.useAndroidX=true

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+android.enableJetifier=true`
	`2`	`+android.useAndroidX=true`