add content description to buttons

Signed-off-by: sowjanyakch <[email protected]>

Author: sowjanyakch

app/src/main/res/layout/view_message_input.xml

@@ -116,7 +116,7 @@
             android:layout_marginStart="@dimen/standard_double_margin"
             android:scaleType="centerInside"
             android:src="@drawable/ic_delete"
-            android:contentDescription="@null"
+            android:contentDescription="@string/delete_voice_message"
             android:background="?android:attr/selectableItemBackgroundBorderless"
             android:visibility="gone" />
 

app/src/main/res/values/strings.xml

@@ -593,6 +593,7 @@ How to translate with transifex:
     <string name="play_pause_voice_message">Play/pause voice message</string>
     <string name="nc_voice_message_missing_audio_permission">Permission for audio recording is required</string>
     <string name="playback_speed_control">Playback speed control</string>
+    <string name="delete_voice_message">Delete voice message</string>
 
     <!-- Phonebook Integration -->
     <string name="nc_settings_phone_book_integration_desc">Match contacts based on phone number to integrate Talk shortcut into system contacts app</string>