[android] AOT profiles for .NET 8 Preview 4 (#14838)

Updated the profile, following the instructions in:

    src/ProfiledAot/README.md

Testing a `dotnet new maui` project on a Pixel 5:

    Before:
    Average(ms): 568
    Std Err(ms): 2.21610268514595
    Std Dev(ms): 7.00793201387621
    After:
    Average(ms): 548.5
    Std Err(ms): 2.65518360947035
    Std Dev(ms): 8.39642781187333

Most notably calls to System.Reflection.Emit are now gone, after we
landed:

dotnet/android#7972

Author: jonathanpeppers