Add/fix a few statsd atoms

Adding atoms:
MobileRadioPowerStateChanged
WifiRadioPowerStateChanged
DeviceIdlingModeStateChanged

Made the following other atom changes:
Added tag to WakeupAlarmOccurred
Changed some ints to enums
Removed the obsolete UidWakelockStateChanged

Test: none
Fixes: 69479171
Fixes: 69479176
Fixes: 69479177
Fixes: 69479169
Change-Id: I815c0f896ef050a4bc1fca482fb02ccb8e78f009