Merge "FileBridge: fix fd ownership mismanagement." am: e80c7cb69a am: bc2ef840e1 am: 5cc3eac681

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1433025

Change-Id: Ic3b714e1e80c4a9ced5373f1490d77ce80cd868c