Capture/Replay: Disable default uniform updates for arrays

We aren't properly handling them, were already firing UNIMPLEMENTED,
but can't continue with the loop.  Will follow up with real support.

Test: MEC capture of Manhattan on Windows
Bug: angleproject:3662
Change-Id: I7b77350b39971fda702eac8b19c6f29f36f78146
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2171759
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Cody Northrop <cnorthrop@google.com>

src/libANGLE/FrameCapture.cpp

@@ -1418,7 +1418,10 @@ void CaptureUpdateUniformValues(const gl::State &replayState,
 
         if (uniform.isArray())
         {
+            // TODO (cnorthrop): http://anglebug.com/3662
+            // Add support for array uniforms
             UNIMPLEMENTED();
+            return;
         }
 
         // We need to bind the program and update its uniforms