Merge "Add startCaptivePortalApp to system API" am: 9e18198cc5 am: b01cafdb08 am: 48c2c5949f

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1639899

Change-Id: Ia3be29892f62b82d23a165bc8334a083c674aefb
tree: f1f60c96e99fc8543eba99906f6c4b188e58f251
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS