Let's see if it fixes the tests

Add a test for a compound culture satellite assembly.

Author: grendello

src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/BuildTest.cs

@@ -50,6 +50,9 @@ public void DotNetBuild (string runtimeIdentifiers, bool isRelease, bool aot, bo
 					new BuildItem ("EmbeddedResource", "Resource.es.resx") {
 						TextContent = () => InlineData.ResxWithContents ("<data name=\"CancelButton\"><value>Cancelar</value></data>")
 					},
+					new BuildItem ("EmbeddedResource", "Resource.de-DE.resx") {
+						TextContent = () => InlineData.ResxWithContents ("<data name=\"CancelButton\"><value>Abbrechen</value></data>")
+					},
 					new AndroidItem.TransformFile ("Transforms.xml") {
 						// Remove two methods that introduced warnings:
 						// Com.Balysv.Material.Drawable.Menu.MaterialMenuView.cs(214,30): warning CS0114: 'MaterialMenuView.OnRestoreInstanceState(IParcelable)' hides inherited member 'View.OnRestoreInstanceState(IParcelable?)'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword.
@@ -163,6 +166,7 @@ public void DotNetBuild (string runtimeIdentifiers, bool isRelease, bool aot, bo
 			helper.AssertContainsEntry ($"assemblies/{proj.ProjectName}.pdb", shouldContainEntry: !TestEnvironment.CommercialBuildAvailable && !isRelease);
 			helper.AssertContainsEntry ($"assemblies/Mono.Android.dll",        shouldContainEntry: expectEmbeddedAssembies);
 			helper.AssertContainsEntry ($"assemblies/es/{proj.ProjectName}.resources.dll", shouldContainEntry: expectEmbeddedAssembies);
+			helper.AssertContainsEntry ($"assemblies/de-DE/{proj.ProjectName}.resources.dll", shouldContainEntry: expectEmbeddedAssembies);
 			foreach (var abi in rids.Select (AndroidRidAbiHelper.RuntimeIdentifierToAbi)) {
 				helper.AssertContainsEntry ($"lib/{abi}/libmonodroid.so");
 				helper.AssertContainsEntry ($"lib/{abi}/libmonosgen-2.0.so");

src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/Utilities/ArchiveAssemblyHelper.cs

@@ -389,7 +389,7 @@ public int GetNumberOfAssemblies (bool forceRefresh = false, AndroidTargetArch a
 				// Android doesn't allow us to put satellite assemblies in lib/{CULTURE}/assembly.dll.so, we must instead
 				// mangle the name.
 				fileTypeMarker = MonoAndroidHelper.MANGLED_ASSEMBLY_SATELLITE_ASSEMBLY_MARKER;
-				fileName = $"{culture}-{fileName}";
+				fileName = $"{culture}{MonoAndroidHelper.SATELLITE_CULTURE_END_MARKER_CHAR}{fileName}";
 			}
 
 			var ret = new List<string> ();

src/Xamarin.Android.Build.Tasks/Utilities/MonoAndroidHelper.Basic.cs

@@ -199,6 +199,7 @@ public static string MakeZipArchivePath (string part1, ICollection<string>? path
 	public const string MANGLED_ASSEMBLY_NAME_EXT = ".so";
 	public const string MANGLED_ASSEMBLY_REGULAR_ASSEMBLY_MARKER = "lib_";
 	public const string MANGLED_ASSEMBLY_SATELLITE_ASSEMBLY_MARKER = "lib-";
+	public const string SATELLITE_CULTURE_END_MARKER_CHAR = "_";
 
 	/// <summary>
 	/// Mangles APK/AAB entry name for assembly and their associated pdb and config entries in the