Merge "Add detailed fingerprint logging and a historical buffer." into sc-dev...

Merge "Add detailed fingerprint logging and a historical buffer." into sc-dev am: 9259969b am: 8e5fbe32 am: 503aab45

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15505425

Change-Id: I67f72695c9f1b0313029151dda7a854b228dc82d