add content description to buttons

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

Author: sowjanyakch

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

@@ -298,7 +298,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_margin="@dimen/standard_quarter_margin"
-                android:contentDescription="@string/nc_call_button_content_description_microphone"
+                android:contentDescription="@string/nc_common_more_options"
                 app:backgroundTint="@color/call_buttons_background"
                 app:borderWidth="0dp"
                 app:fabCustomSize="40dp"
@@ -311,7 +311,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_margin="@dimen/standard_quarter_margin"
-                android:contentDescription="@string/nc_call_button_content_description_microphone"
+                android:contentDescription="@string/end_call"
                 app:backgroundTint="@color/nc_darkRed"
                 app:borderWidth="0dp"
                 app:fabCustomSize="40dp"

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

@@ -332,6 +332,7 @@ How to translate with transifex:
     <string name="call_running_since_one_hour">The call has been running for one hour.</string>
     <string name="end_call_for_everyone">End call for everyone</string>
     <string name="leave_call">Leave call</string>
+    <string name="end_call">End call</string>
 
     <!-- Picture in Picture -->
     <string name="nc_pip_microphone_mute">Mute microphone</string>