Add SystemUI icon pack overlays.

This change includes most QS icon overlays. Also renamed android
targetted icon packs to include Android in the overlay name.

Bug: 118757293
Test: adb shell cmd overlay enable-exclusive --user 0 com.android.theme.icon_pack.{circular,filled,rounded}.systemui
Change-Id: I87d7514c03231408fb0f6815279e9bc1c18b52e9