Merge "Write files in a temporary directory" am: efa03939f0 am: 49eec50a4a am: 28a89f1860 am: 72f49a1a3d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1920049

Change-Id: I8aea202a97f28e612a6e17eabc604948f92d48f7