[automerger skipped] Merge "Remove clone() and "implements Cloneable" from...

[automerger skipped] Merge "Remove clone() and "implements Cloneable" from android.icu.number.Precision and ScientificNotation" into rvc-dev am: b6c13dbf am: 543bbd46 am: db7c82b9 am: 6d7c7897 -s ours am: 25038a1e -s ours

am skip reason: Change-Id Ic251b4b0d7b2896b14bc55c3b09093c06600b16b with SHA-1 cb6ddc04 is in history

Change-Id: I817a70d30a1f461d47fbdcd3c9d1355d6f8f6a54