Add sharesheet + generic ranking atoms for statsd.

Bug: 147508495

Change-Id: Ie02cbb84a0ddfe7ca51acf722f9a5632b846f283
Test: m out/soong/.intermediates/frameworks/base/framework-statslog-gen/gen/android/util/StatsLogInternal.java out/soong/.intermediates/frameworks/base/tools/stats_log_api_gen/statslog.cpp/gen/statslog.cpp
Android Metrics Design Review: https://eldar.corp.google.com/assessments/369729150/revisions/1?jsmode=du

Change-Id: I49391a786840febb6b7b67ac91e029d8d742e956