[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 -s ours am: a0eb93b8 -s ours am: a7e1470c -s ours

am skip reason: Change-Id Ic251b4b0d7b2896b14bc55c3b09093c06600b16b with SHA-1 c6dcd534 is in history

Change-Id: Ia8032ff67d02ad8510ed428592a57e07a32b07c3