These resources changes will be used in a follow up CL that implement
the nudge view.
Note that most of the values and layout are temporarily placeholder and subject
to change in follow up CL as the mock is being finalized.
Bug: 398033012
Test: Manual
Flag: com.android.launcher3.enable_growth_nudge
Change-Id: I1d88da404637200b44bd2a3a5719f52d68011fbf
