Polish layout configurations

Bug: 30089158

- Match previous fullscreen layouts on supported devices.
- Prevent clipping in some MW layouts.
- Experimental support for freeform:
    adb shell settings put global enable_freeform_support 1

Change-Id: Ia6568d337709fa1b1420d88cb3c701e048ce7a25
diff --git a/res/values-w375dp-h768dp-port/layout.xml b/res/values-w375dp-h768dp-port/layout.xml
new file mode 100644
index 0000000..98db0fe
--- /dev/null
+++ b/res/values-w375dp-h768dp-port/layout.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2016 The Android Open Source Project
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+
+<resources>
+    <item name="activity_calculator" type="layout">@layout/activity_calculator_tablet_port</item>
+    <item name="display" type="layout">@layout/display_two_line</item>
+    <item name="pad_advanced" type="layout">@layout/pad_advanced_5x3</item>
+    <item name="pad_operator" type="layout">@layout/pad_operator_two_col</item>
+</resources>