Add [Category("NativeAOTIgnore")] to JNI method remapping tests

These 4 tests fail on NativeAOT because they rely on native functions
(_monodroid_lookup_replacement_method_info / _monodroid_lookup_replacement_type)
that are only available on Mono/CoreCLR, not on NativeAOT.

Co-authored-by: jonathanpeppers <[email protected]>

Author: Copilot

tests/Java.Interop-Tests/Java.Interop/JniPeerMembersTests.cs

@@ -78,6 +78,7 @@ public void MethodLookupForNonexistentStaticMethodWillTryFallbacks ()
 		}
 
 		[Test]
+		[Category ("NativeAOTIgnore")]
 		public void ReplacementTypeUsedForMethodLookup ()
 		{
 			using var o = new RenameClassDerived ();
@@ -86,6 +87,7 @@ public void ReplacementTypeUsedForMethodLookup ()
 		}
 
 		[Test]
+		[Category ("NativeAOTIgnore")]
 		public void ReplaceInstanceMethodName ()
 		{
 			using var o = new JavaLangRemappingTestObject ();
@@ -95,13 +97,15 @@ public void ReplaceInstanceMethodName ()
 		}
 
 		[Test]
+		[Category ("NativeAOTIgnore")]
 		public void ReplaceStaticMethodName ()
 		{
 			var r = JavaLangRemappingTestRuntime.remappedToGetRuntime ();
 			JniObjectReference.Dispose (ref r);
 		}
 
 		[Test]
+		[Category ("NativeAOTIgnore")]
 		public void ReplaceInstanceMethodWithStaticMethod ()
 		{
 			using var o = new JavaLangRemappingTestObject ();