Media agent for iOS v4.3.0

Published to CocoaPods

• NewRelicVideoAgent 4.3.0
• NRAVPlayerTracker 4.3.0
• NRIMATracker 4.3.0

New features

• Added JP region support. (2acc442)
• Added new QOE attributes. (7b06033)

Bug fixes

• Fixed ad-break time inflating totalPauseTime. (7c41112)
• Corrected rendition KPIs across views in multi-video sessions. (bd7d6c9)
• Fixed multiple device UUIDs per viewId. (790c7e6)