Improved files icon and activity label.

        <activity

            android:name=".StandaloneActivity"

            android:theme="@style/StandaloneTheme"

            android:icon="@drawable/ic_doc_text"

            android:icon="@drawable/ic_files_app"

            android:label="@string/files_label"

            android:enabled="@bool/productivity_device">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

<?xml version="1.0" encoding="utf-8"?>

<bitmap xmlns:android="http://schemas.android.com/apk/res/android"

    android:src="@drawable/icon256"

    android:tint="?android:attr/colorControlNormal"

    android:autoMirrored="true" />

    <!-- Title of the documents application [CHAR LIMIT=32] -->

    <string name="app_label">Documents</string>

    <!-- Title of the standalone files activity. [CHAR LIMIT=32] -->

    <string name="files_label">Files</string>

    <!-- Action bar title prompting user to choose a location to open a document from [CHAR LIMIT=32] -->

    <string name="title_open">Open from</string>

    <!-- Action bar title prompting user to choose a location to save a document to [CHAR LIMIT=32] -->