Styles cleanup. Removed used textSize.

Test: manual
Change-Id: Ib3caed2450fd13a9dc1cf9d11adaa4ee9f2e1ae4

diff --git a/emoji2/emoji2-emojipicker/samples/src/main/AndroidManifest.xml b/emoji2/emoji2-emojipicker/samples/src/main/AndroidManifest.xml
index a155641..45e6dbd 100644
--- a/emoji2/emoji2-emojipicker/samples/src/main/AndroidManifest.xml
+++ b/emoji2/emoji2-emojipicker/samples/src/main/AndroidManifest.xml

@@ -17,7 +17,8 @@
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-sdk android:minSdkVersion="21"/>
-    <application>
+    <application
+        android:label="Emoji Picker Sample App" >
         <activity android:name=".MainActivity" android:exported="true"
             android:theme="@style/MyPinkTheme">
             <!-- Handle Google app icon launch. -->

diff --git a/emoji2/emoji2-emojipicker/samples/src/main/res/values/styles.xml b/emoji2/emoji2-emojipicker/samples/src/main/res/values/styles.xml
index 89ce1c3..32ff475 100644
--- a/emoji2/emoji2-emojipicker/samples/src/main/res/values/styles.xml
+++ b/emoji2/emoji2-emojipicker/samples/src/main/res/values/styles.xml

@@ -18,12 +18,14 @@
 <resources>
 
     <style name="MyPinkTheme" parent="Theme.AppCompat.DayNight" >
-        <!-- The color for selected headers -->
+        <!-- The color for selected category icons -->
         <item name="colorAccent">#696969</item>
-        <!-- The color for unselected headers -->
+        <!-- The color for unselected category icons -->
         <item name="colorControlNormal">#FFC0CB</item>
         <!-- The color for all text -->
         <item name="android:textColorPrimary">#696969</item>
+        <!-- The text size for category text -->
+        <item name="android:textSize">12dp</item>
         <!-- The color for variant popup background -->
         <item name="colorButtonNormal">#FFC0CB</item>
     </style>

diff --git a/emoji2/emoji2-emojipicker/src/main/res/layout/category_text_view.xml b/emoji2/emoji2-emojipicker/src/main/res/layout/category_text_view.xml
index c7bc5af..354bc25 100644
--- a/emoji2/emoji2-emojipicker/src/main/res/layout/category_text_view.xml
+++ b/emoji2/emoji2-emojipicker/src/main/res/layout/category_text_view.xml

@@ -31,6 +31,5 @@
         android:gravity="center_vertical|start"
         android:letterSpacing="0.1"
         android:importantForAccessibility="yes"
-        android:textColor="?android:attr/textColorPrimary"
-        android:textSize="12dp" />
+        android:textColor="?android:attr/textColorPrimary" />
 </FrameLayout>

diff --git a/emoji2/emoji2-emojipicker/src/main/res/layout/emoji_view_holder.xml b/emoji2/emoji2-emojipicker/src/main/res/layout/emoji_view_holder.xml
index eec343d..e9529a9 100644
--- a/emoji2/emoji2-emojipicker/src/main/res/layout/emoji_view_holder.xml
+++ b/emoji2/emoji2-emojipicker/src/main/res/layout/emoji_view_holder.xml

@@ -34,7 +34,6 @@
             android:layout_height="match_parent"
             android:background="@drawable/ripple_emoji_view"
             android:importantForAccessibility="yes"
-            android:textSize="30dp"
             android:layout_margin="1dp" />
     </FrameLayout>
     <ImageView