Add metrics for live wallpaper questionnaire

- Users have entered, completed questionnaire flow
- Users have completed with date input or not
- Visual effect shown in live wallpaper

Bug: 168680386
Test: make statsd_testdrive; statsd_testdrive 179
Change-Id: Iec179d998f80c213b476c8381f8759f5c907d673
diff --git a/cmds/statsd/src/atoms.proto b/cmds/statsd/src/atoms.proto
index 0a09801..4ccc7e6 100644
--- a/cmds/statsd/src/atoms.proto
+++ b/cmds/statsd/src/atoms.proto
@@ -3346,6 +3346,7 @@
     optional int32 wallpaper_id_hash = 8;
     optional int32 color_preference = 9;
     optional android.stats.style.LocationPreference location_preference = 10;
+    optional android.stats.style.DatePreference date_preference = 11;
 }
 
 /**
diff --git a/core/proto/android/stats/style/style_enums.proto b/core/proto/android/stats/style/style_enums.proto
index f3f491f..828e412 100644
--- a/core/proto/android/stats/style/style_enums.proto
+++ b/core/proto/android/stats/style/style_enums.proto
@@ -38,6 +38,9 @@
     LIVE_WALLPAPER_APPLIED = 16;
     LIVE_WALLPAPER_INFO_SELECT = 17;
     LIVE_WALLPAPER_CUSTOMIZE_SELECT = 18;
+    LIVE_WALLPAPER_QUESTIONNAIRE_SELECT = 19;
+    LIVE_WALLPAPER_QUESTIONNAIRE_APPLIED = 20;
+    LIVE_WALLPAPER_EFFECT_SHOW = 21;
 }
 
 enum LocationPreference {
@@ -46,3 +49,9 @@
     LOCATION_CURRENT = 2;
     LOCATION_MANUAL = 3;
 }
+
+enum DatePreference {
+    DATE_PREFERENCE_UNSPECIFIED = 0;
+    DATE_UNAVAILABLE = 1;
+    DATE_MANUAL = 2;
+}