Landscape support 1/n

Correct layout of theme/clock/grid picker fragment,
theme preview cards and custom theme still missing.

Bug: 125903559
Change-Id: Ibdfe9d9c5a6ad22039ec5581764990d7c775c8d5
diff --git a/res/layout/clock_option.xml b/res/layout/clock_option.xml
index 467263d..30aa14f 100644
--- a/res/layout/clock_option.xml
+++ b/res/layout/clock_option.xml
@@ -16,7 +16,9 @@
 -->
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="wrap_content"
-    android:layout_height="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingRight="2dp"
+    android:paddingBottom="@dimen/option_bottom_margin"
     android:orientation="vertical">
 
     <TextView
diff --git a/res/layout/grid_option.xml b/res/layout/grid_option.xml
index 0dac4fe..5edcdc9 100644
--- a/res/layout/grid_option.xml
+++ b/res/layout/grid_option.xml
@@ -16,7 +16,9 @@
 -->
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="wrap_content"
-    android:layout_height="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingRight="2dp"
+    android:paddingBottom="@dimen/option_bottom_margin"
     android:orientation="vertical">
 
     <TextView
diff --git a/res/layout/theme_option.xml b/res/layout/theme_option.xml
index f0c7777..de81231 100644
--- a/res/layout/theme_option.xml
+++ b/res/layout/theme_option.xml
@@ -16,7 +16,9 @@
 -->
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="wrap_content"
-    android:layout_height="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingRight="2dp"
+    android:paddingBottom="@dimen/option_bottom_margin"
     android:orientation="vertical">
 
     <TextView