Lint fixes.

tools/check/forbidden_strings_in_code.txt

@@ -162,7 +162,7 @@ Formatter\.formatShortFileSize===1
 # android\.text\.TextUtils
 
 ### This is not a rule, but a warning: the number of "enum class" has changed. For Json classes, it is mandatory that they have `@JsonClass(generateAdapter = false)`. If the enum is not used as a Json class, change the value in file forbidden_strings_in_code.txt
-enum class===102
+enum class===103
 
 ### Do not import temporary legacy classes
 import org.matrix.android.sdk.internal.legacy.riot===3

vector/src/main/res/drawable/ic_play_pause_play.xml

@@ -1,7 +1,6 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="16dp"
     android:height="16dp"
-    android:autoMirrored="true"
     android:viewportWidth="16"
     android:viewportHeight="16">
     <path

vector/src/main/res/layout/item_timeline_event_voice_stub.xml

@@ -27,6 +27,7 @@
             android:layout_height="32dp"
             android:background="@drawable/bg_voice_play_pause_button"
             android:backgroundTint="?android:colorBackground"
+            android:contentDescription="@string/a11y_play_voice_message"
             android:src="@drawable/ic_play_pause_play"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintStart_toStartOf="parent"

vector/src/main/res/layout/view_voice_message_recorder.xml

@@ -191,7 +191,6 @@
                 android:contentDescription="@string/a11y_play_voice_message"
                 android:src="@drawable/ic_play_pause_play"
                 app:layout_constraintBottom_toBottomOf="parent"
-                app:layout_constraintLeft_toLeftOf="parent"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent"
                 app:tint="?vctr_content_secondary" />