Update suggestion/condition UI

- reduce top padding for suggestion container
- match condition card corner radius with suggestion card.
- change condition card background color to white
- update suggestion title font from medium to regular.

Change-Id: I0267b37822facf4bd389e2b21c47a1fcf0d00264
Fixes: 70573674
Test: visual
diff --git a/res/layout/suggestion_container.xml b/res/layout/suggestion_container.xml
index 409f39e..95a00cc 100644
--- a/res/layout/suggestion_container.xml
+++ b/res/layout/suggestion_container.xml
@@ -20,7 +20,7 @@
     style="@style/SuggestionConditionStyle"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:paddingTop="10dp"
+    android:paddingTop="2dp"
     android:orientation="vertical">
 
     <LinearLayout