[sc] Remove createStringArray & jniGetReferent. am: 6dc076610e am: cfc404d884 am: ffff81a063

Original change: https://android-review.googlesource.com/c/platform/frameworks/libs/native_bridge_support/+/1440771

Change-Id: I217be969736db07c4c462c57be85f46d4ed6b53d