Add architecture info to the 0141 warning

Partial fix for #9544 to make
the warning more informative.  Architecture information is necessary as
the nuget in question might have the same library for various
architectures.

src/Xamarin.Android.Build.Tasks/Properties/Resources.resx

@@ -1072,11 +1072,12 @@ To use a custom JDK path for a command line build, set the 'JavaSdkDirectory' MS
 {1} - NuGet package version</comment>
   </data>
   <data name="XA0141" xml:space="preserve">
-    <value>NuGet package '{0}' version '{1}' contains a shared library '{2}' which is not correctly aligned. See https://developer.android.com/guide/practices/page-sizes for more details</value>
+    <value>NuGet package '{0}' version '{1}' contains a shared library '{2}' ({3}) which is not correctly aligned. See https://developer.android.com/guide/practices/page-sizes for more details</value>
     <comment>The following is a literal name and should not be translated: NuGet
 {0} - NuGet package id
 {1} - NuGet package version
 {2} - shared library file name
+{3} - target architecture name
     </comment>
   </data>
   <data name="XA4249" xml:space="preserve">

src/Xamarin.Android.Build.Tasks/Utilities/ELFHelper.cs

@@ -45,6 +45,12 @@ static void AssertValidLibraryAlignment (TaskLoggingHelper log, uint pageSize, s
 				throw new InvalidOperationException ($"Internal error: {elf} is not ELF<ulong>");
 			}
 
+			string archName = elf.Machine switch {
+				Machine.AArch64 => "arm64-v8a",
+				Machine.AMD64   => "x86_64",
+				_ => throw new NotSupportedException ($"Internal error: ELF architecture {elf.Machine} is not supported")
+			};
+
 			// We need to find all segments of Load type and make sure their alignment is as expected.
 			foreach (ISegment segment in elf64.Segments) {
 				if (segment.Type != SegmentType.Load) {
@@ -66,7 +72,7 @@ static void AssertValidLibraryAlignment (TaskLoggingHelper log, uint pageSize, s
 				log.LogDebugMessage ($"    expected segment alignment of 0x{pageSize:x}, found 0x{segment64.Alignment:x}");
 
 				(string packageId, string packageVersion) = GetNugetPackageInfo ();
-				log.LogCodedWarning ("XA0141", Properties.Resources.XA0141, packageId, packageVersion, Path.GetFileName (path));
+				log.LogCodedWarning ("XA0141", Properties.Resources.XA0141, packageId, packageVersion, Path.GetFileName (path), archName);
 				break;
 			}