tree d789a2e8e527c7e156fdb89e93a6fcc963191669
parent f94068462649986dad263f28226be6c514af47d3
author Hyunyoung Song <hyunyoungs@google.com> 1455912887 -0800
committer Hyunyoung Song <hyunyoungs@google.com> 1455915353 -0800

<UserEventLogging> Log app launches
b/26494415

1) Current Logger can capture taps from
- homescreen
- folder inside homescreen
- apps prediction
- all apps a-z
- tap from hotseat
2) Deprecate LauncherCallback methods that is no longer needed

Future CL.
3) Stats and Logger will be merged. Bundle used for Stats can be
replaced with LauncherLogProto
4) Logging anything else other than app launches

Change-Id: Id52eb615f66142017b5c490a220ce6654d325681