[sdks/android] Pre: Fix unused warnings.

src/store.rs

@@ -41,8 +41,6 @@ use mentat_db::{
 #[cfg(feature = "syncable")]
 use mentat_tolstoy::Syncer;
 
-use uuid::Uuid;
-
 use conn::{
     CacheAction,
     CacheDirection,
@@ -51,7 +49,11 @@ use conn::{
     InProgressRead,
     Pullable,
     Queryable,
-    Syncable
+};
+
+#[cfg(feature = "syncable")]
+use conn::{
+    Syncable,
 };
 
 use errors::*;
@@ -238,6 +240,9 @@ impl Pullable for Store {
     }
 }
 
+#[cfg(feature = "syncable")]
+use uuid::Uuid;
+
 #[cfg(feature = "syncable")]
 impl Syncable for Store {
     fn sync(&mut self, server_uri: &String, user_uuid: &String) -> Result<()> {
@@ -266,6 +271,8 @@ mod tests {
         Duration,
     };
 
+    use uuid::Uuid;
+
     use mentat_db::cache::{
         SQLiteAttributeCache,
     };