Merge "Log various types of back gesture using StatsLog Bug: 135152789 Test: m statsd_testdrive -j31 Test: out/host/linux-x86/bin/statsd_testdrive 224" into qt-r1-dev am: fa38ed5296
am: 2984f34075

Change-Id: I006eb3713e1c3acd935108e25fef2b4b3adf9fc9