Make new top level gradle file, make app dir and move build.gradle.

app/proguard/proguard-google-play-services.pro

@@ -0,0 +1,19 @@
+## Google Play Services 4.3.23 specific rules ##
+## https://developer.android.com/google/play-services/setup.html#Proguard ##
+
+-keep class * extends java.util.ListResourceBundle {
+    protected Object[][] getContents();
+}
+
+-keep public class com.google.android.gms.common.internal.safeparcel.SafeParcelable {
+    public static final *** NULL;
+}
+
+-keepnames @com.google.android.gms.common.annotation.KeepName class *
+-keepclassmembernames class * {
+    @com.google.android.gms.common.annotation.KeepName *;
+}
+
+-keepnames class * implements android.os.Parcelable {
+    public static final ** CREATOR;
+}