Merge "API review: Additional comment for QosSession." am: c8fadc5cde am: 925a785349 am: 64f0b4967f

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2018921

Change-Id: Ib0c56740d7007da4b0f58955c591db384258af66