fix#修复求助场景卡片显示不清晰

modules/mogo-module-v2x/src/main/res/drawable/bg_v2x_event_bg.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
-    <solid android:color="#000000" />
+    <solid android:color="#88000000" />
     <corners android:radius="@dimen/module_v2x_road_event_bg_radius" />
 </shape>

modules/mogo-module-v2x/src/main/res/layout/window_carforhelp_detail.xml

@@ -8,7 +8,6 @@
         android:layout_width="@dimen/module_v2x_car_for_help_width"
         android:layout_height="@dimen/module_v2x_car_for_help_height"
         android:layout_marginTop="@dimen/dp_8"
-        android:alpha="0.7"
         android:background="@drawable/bg_v2x_event_bg"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"