Updating the submodules (#985)

* Updated FreeType for Linux
* Add fixes and tests for SkRegion.Contains return

externals/skia

@@ -1 +1 @@
-Subproject commit bd7b9486d19c2856f8dce824c8da3442af4ff469
+Subproject commit 77049b872966dc300ed233fc6e3930eb21bac5e3

tests/Tests/SKRegionTest.cs

@@ -83,5 +83,39 @@ namespace SkiaSharp.Tests
 
 			Assert.True(region.Intersects(rect));
 		}
+
+		[SkippableFact]
+		public void ContainsReturnsFalseIfItDoesNotContain()
+		{
+			var region = new SKRegion(new SKRectI(30, 30, 40, 40));
+			var region2 = new SKRegion(new SKRectI(25, 25, 50, 50));
+
+			Assert.False(region.Contains(region2));
+		}
+
+		[SkippableFact]
+		public void ContainsReturnsTrueIfItDoesContain()
+		{
+			var region = new SKRegion(new SKRectI(25, 25, 50, 50));
+			var region2 = new SKRegion(new SKRectI(30, 30, 40, 40));
+
+			Assert.True(region.Contains(region2));
+		}
+
+		[SkippableFact]
+		public void ContainsReturnsFalseIfItDoesNotContainPoint()
+		{
+			var region = new SKRegion(new SKRectI(30, 30, 40, 40));
+
+			Assert.False(region.Contains(60, 60));
+		}
+
+		[SkippableFact]
+		public void ContainsReturnsTrueIfItDoesContainPoint()
+		{
+			var region = new SKRegion(new SKRectI(25, 25, 50, 50));
+
+			Assert.True(region.Contains(40, 40));
+		}
 	}
 }