Merge "Increase DropBox size to 10MiB." am: e1b4e1d594 am: 95949aed66 am: e0d085e8a7

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1651533

Change-Id: Ia4623936e3440d6b70a153d29c9e0c170489b857