Battery saver color changes

Outline the battery with 1dp colorError border when in powersave mode to
make it more obvious.

Also un-bold the '+'. Doesn't look so wonderful

Test: turn on power save mode; look at it
Fixes: visual
Bug: 78638798
Change-Id: I9c649814764c41893c972d707449ad30095a131d
diff --git a/packages/SystemUI/res/layout/system_icons.xml b/packages/SystemUI/res/layout/system_icons.xml
index 258b82a..9237477 100644
--- a/packages/SystemUI/res/layout/system_icons.xml
+++ b/packages/SystemUI/res/layout/system_icons.xml
@@ -31,5 +31,6 @@
     <com.android.systemui.BatteryMeterView android:id="@+id/battery"
         android:layout_height="match_parent"
         android:layout_width="wrap_content"
-        />
+        android:clipToPadding="false"
+        android:clipChildren="false" />
 </LinearLayout>
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