Merge "Count the number of dropped events due to rate limiting and attach that...

Merge "Count the number of dropped events due to rate limiting and attach that number to the header of the dropbox entry." into tm-dev am: 48ecaf9d am: ba8ea9ba am: 8be10f58

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17619726



Change-Id: I17e2d3ab1e0567a430397c0b1f35fb75a8eb99c7
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>