[DataStore] Add BackupRestoreStorage

Bug: 325144964
Test: Manual tests with follow up change
Change-Id: I0c5c285c6fbd1c7c7ab8d9c6f3ae09bf97bf53d0
diff --git a/packages/SettingsLib/DataStore/Android.bp b/packages/SettingsLib/DataStore/Android.bp
index c5957c6..868a4a5 100644
--- a/packages/SettingsLib/DataStore/Android.bp
+++ b/packages/SettingsLib/DataStore/Android.bp
@@ -11,5 +11,6 @@
     static_libs: [
         "androidx.annotation_annotation",
         "androidx.collection_collection-ktx",
+        "guava",
     ],
 }