Landscape support 3/3

Updated previews layouts to support landscape UI.
Changed theme_preview_card layout to ConstraintLayout to
allow better support of positioning the different elements
both for cover and for other preview cards.

Bug: 125903559
Change-Id: Id38ecf097d23c09b8431e56bf5127ba353723ef0
diff --git a/res/values-land/dimens.xml b/res/values-land/dimens.xml
index ecb78be..4b16b5e 100644
--- a/res/values-land/dimens.xml
+++ b/res/values-land/dimens.xml
@@ -16,10 +16,23 @@
      limitations under the License.
 -->
 <resources>
+    <dimen name="card_title_text_size">12sp</dimen>
+    <dimen name="card_cover_title_text_size">16sp</dimen>
+    <dimen name="card_header_top_margin">8dp</dimen>
+    <dimen name="preview_card_padding">8dp</dimen>
     <dimen name="preview_page_gap">93dp</dimen>
     <dimen name="preview_page_horizontal_margin">92dp</dimen>
+    <dimen name="preview_theme_content_margin">18dp</dimen>
+    <dimen name="preview_theme_content_max_height">140dp</dimen>
+    <dimen name="preview_theme_content_min_height">100dp</dimen>
+    <dimen name="preview_theme_cover_topbar_icon_size">14dp</dimen>
+    <dimen name="preview_theme_icon_size">28dp</dimen>
+    <dimen name="preview_theme_tile_size">14dp</dimen>
+    <dimen name="preview_theme_shape_size">32dp</dimen>
+    <dimen name="preview_theme_cover_content_extra_margin">0dp</dimen>
+
+    <dimen name="font_preview_divider_gap">12dp</dimen>
 
     <dimen name="options_container_width">400dp</dimen>
-
     <dimen name="option_bottom_margin">8dp</dimen>
 </resources>
\ No newline at end of file