Restore Viewport debug text

Adds the AtomViewportDisplayInfo Gem which renders debug text to the default viewport context depending on the value of r_DisplayInfo.
The gem is flagged as a dependency of AtomBridge, so all Atom projects will consume it by default.

Gems/AtomLyIntegration/AtomViewportDisplayInfo/Code/Source/Tests/test_Main.cpp

@@ -0,0 +1,20 @@
+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+
+#include <AzTest/AzTest.h>
+
+AZ_UNIT_TEST_HOOK(DEFAULT_UNIT_TEST_ENV);
+
+TEST(AtomViewportDisplayInfoSanityTest, Sanity)
+{
+    EXPECT_EQ(1, 1);
+}