androidTV: rework User cards on main frag

This patch resize cards on the main frag, and fix the display of
ringid on blockchain user.

Change-Id: I199315257bcbdd5838180e6f6f76d57692473e9e
diff --git a/ring-android/app/src/main/res/values/dimens.xml b/ring-android/app/src/main/res/values/dimens.xml
index 88b9cc3..1aa0685 100644
--- a/ring-android/app/src/main/res/values/dimens.xml
+++ b/ring-android/app/src/main/res/values/dimens.xml
@@ -39,9 +39,9 @@
     <dimen name="drawer_content_padding">0dp</dimen>
     <dimen name="drawer_size">320dp</dimen>
 
-    <dimen name="default_image_card_width">168dp</dimen>
-    <dimen name="default_image_card_height">150dp</dimen>
+    <dimen name="default_image_card_width">110dp</dimen>
+    <dimen name="default_image_card_height">100dp</dimen>
 
-    <dimen name="search_image_card_width">112dp</dimen>
-    <dimen name="search_image_card_height">100dp</dimen>
+    <dimen name="search_image_card_width">100dp</dimen>
+    <dimen name="search_image_card_height">90dp</dimen>
 </resources>
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