[FIX] Restore utf8ByteLength to replace use of Buffer.byteLength()#1123

sbarrio merged 1 commit intodevelopDataDog/dd-sdk-reactnative:developfrom

sbarrio/fix/restore-utf8ByteLengthDataDog/dd-sdk-reactnative:sbarrio/fix/restore-utf8ByteLengthCopy head branch name to clipboard