Frameworks: Remove halo from notification header

Change-Id: If11597f17ca44ebe1206ddec1b5b9ac469053b4e
Frameworks: Halo tile (1/2)

Based on https://github.com/PAC-man/android_frameworks_base/commit/17d0b5133c8fcd9e9d7575105dfd6a4ec21afe68
credits to Owain94

Change-Id: I96783de8c98ffa875a581ba07be0e70ae7c1e024