Polish the suggestion card in quick contact.

1) Add the title and help message to make user understand it easily.
2) Change the suggestion card UI to make it small when user doesn't
want to show it and expand it if it's useful.

BUG 24988440

Change-Id: I92f5bf13bee949140a86f35404347c365a6f1d1e
diff --git a/res/layout/quickcontact_collapsed_suggestion_card.xml b/res/layout/quickcontact_collapsed_suggestion_card.xml
new file mode 100644
index 0000000..dbd3eee
--- /dev/null
+++ b/res/layout/quickcontact_collapsed_suggestion_card.xml
@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2015 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.
+-->
+<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:card_view="http://schemas.android.com/apk/res-auto"
+    style="@style/ExpandingEntryCardStyle"
+    android:layout_height="wrap_content"
+    android:layout_width="match_parent"
+    android:visibility="gone"
+    android:id="@+id/collapsed_suggestion_card">
+
+    <LinearLayout
+        android:layout_height="wrap_content"
+        android:layout_width="match_parent"
+        android:orientation="horizontal"
+        android:clickable="true"
+        android:id="@+id/collapsed_suggestion_header">
+
+        <ImageView
+                android:src="@drawable/quantum_ic_assistant_grey600_24"
+                android:layout_width="@dimen/detail_network_icon_size"
+                android:layout_height="@dimen/detail_network_icon_size"
+                android:layout_margin="16dip"
+                android:layout_gravity="center_vertical"/>
+
+        <TextView
+                android:id="@+id/collapsed_suggestion_card_title"
+                android:textSize="@dimen/expanding_entry_card_title_text_size"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:textColor="@color/quickcontact_entry_header_text_color"
+                android:singleLine="true"
+                android:ellipsize="end"
+                android:paddingTop="@dimen/quickcontact_suggestion_card_image_spacing"
+                android:paddingBottom="@dimen/quickcontact_suggestion_card_image_spacing"/>
+
+        <ImageView
+                android:src="@drawable/ic_menu_expander_minimized_holo_light"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_vertical|end"
+                android:layout_alignParentEnd="true"
+                android:paddingStart="@dimen/editor_round_button_padding_left"
+                android:paddingEnd="@dimen/editor_round_button_padding_right"
+                android:paddingTop="@dimen/editor_round_button_padding_top"
+                android:paddingBottom="@dimen/editor_round_button_padding_bottom"/>
+    </LinearLayout>>
+
+</android.support.v7.widget.CardView>
\ No newline at end of file