Provider model slice: The icon of mobile data's color is too light

Bug: 17752644
Test: (PASS)atest NetworkProviderWorkerTest
(PASS)atest ProviderModelSliceTest
(PASS)atest ProviderModelSliceHelperTest

Change-Id: I5474396b0a6464f513c76f0984917af083dcf54c
diff --git a/src/com/android/settings/network/ProviderModelSliceHelper.java b/src/com/android/settings/network/ProviderModelSliceHelper.java
index 3164af4..542ca09 100644
--- a/src/com/android/settings/network/ProviderModelSliceHelper.java
+++ b/src/com/android/settings/network/ProviderModelSliceHelper.java
@@ -215,6 +215,8 @@
             drawable = shared.get();
         }
 
+        drawable.setTint(
+                Utils.getColorAttrDefaultColor(mContext, android.R.attr.colorControlNormal));
         if (isDataSimActive()) {
             drawable.setTint(Utils.getColorAccentDefaultColor(mContext));
         }