Streaming bugreport content to stdout 1/2 am: 031c957e55 am: 340d9f180d am: 90fa09800c

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1448617

Change-Id: Ic878b6a2fa7a58244aad484e5adde243dd9c17f8