Merge "Add sessions to requestsession" into udc-dev am: 4b2b7800ec am: b4a6bb7736

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21951080

Change-Id: Ice4be977e8cf3fdc17a854bdb4adb80e23cb8279
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>