Merge "Fix a Sms7BitEncodingTranslator threading issue, since translate() method can easily race when called by multiple threads." into rvc-qpr-dev am: 22b4b7c111 am: 710e07bf63

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12129459

Change-Id: I343485fb7f7afa0b18f8b1a6908a0652251e8a41