Merge "Fix a Sms7BitEncodingTranslator threading issue, since translate() method can easily race when called by multiple threads." am: 02b664649a am: 1609733fae am: 47351ebc1b

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1360883

Change-Id: Ia4ae72582206bb94f25872388b3ae6769b66a979