fix player state during ads
support dfp in native app
doubleclick native sdk dev
Merge branch '2.19-21-Sep' into native_ima_sdk
Merge branch '2.19-21-Sep' into native_ima_sdk
IMA native SDK support
Merge branch '2.20-Oct-19' into native_ima_sdk

Conflicts:
	modules/DoubleClick/resources/mw.DoubleClick.js
Merge branch '2.20-Oct-19' into native_ima_sdk
fix content duration after allAdsCompleted
Fix player state after ad error
fix spinner appearing sometimes after seek
fix ads play
fix playback in loop after switchSource
Merge pull request #1158 from kaltura/native_ima_sdk

Native ima sdk