Service: don't clear wallpaper when SystemUI restart

Change-Id: Ibf500b5f5e0961617fba58e601f6c9c8186f5b70
test

Change-Id: I175dfa52786e1e70b51b12ad804086b370387289

test

Change-Id: Ia7413d1c71991d6ebe0f23bd110dca4098dafb0c
SystemUI: Traffic support

Change-Id: I8f476486957a169f43f7b2c445385756252dbd97
default value

Change-Id: Ia914247a2b0fd01924a590870e1c148fddc2c078
PIE:New Pie From Xylon and Removed Old One

Change-Id: Ieb1b96d0e328a17df270bbb58510e5fb62c621ce
PIE: Default Change (2/2)

Change-Id: I02a14231f8f044b096bf780499d8eff3198d7a9f
PIE: enable PIE when navbarOff and sbexpanded

Change-Id: I7b3afd37e291ae150a28765172578f76fffee7f1