[Android] Remove border for the sync row icons

The sync row icons have a border which is white is light mode and black
in dark mode. This cl removes the border.

Screenshot: https://crbug.com/1131438#c1

Bug: 1131438
Change-Id: I6c16e4fc3ebec0ce971db8e191231c04585c22fb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2426425Reviewed-by: Theresa  <twellington@chromium.org>
Commit-Queue: Tanmoy Mollik <triploblastic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#810113}

chrome/android/java/res/drawable/ic_sync_error_48dp.xml

@@ -12,10 +12,8 @@
     tools:targetApi="21">
 
     <path
-        android:strokeWidth="1"
         android:pathData="M20,30.5C25.799,30.5 30.5,25.799 30.5,20C30.5,14.201 25.799,9.5 20,9.5C14.201,9.5 9.5,14.201 9.5,20C9.5,25.799 14.201,30.5 20,30.5Z"
-        android:fillColor="@color/default_text_color_error"
-        android:strokeColor="@color/default_bg_color"/>
+        android:fillColor="@color/default_text_color_error"/>
     <path
         android:pathData="M18.7501,16.4687V15.1625C18.2501,15.2938 17.7813,15.5 17.3563,15.7625L18.2688,16.675C18.4251,16.6 18.5813,16.525 18.7501,16.4687ZM14.2876,15.8812L15.7626,17.3562C15.2813,18.1188 15.0001,19.025 15.0001,20C15.0001,21.3813 15.5688,22.625 16.4751,23.525L15.0001,25H18.7501V21.25L17.3501,22.65C16.6751,21.9687 16.2501,21.0375 16.2501,20C16.2501,19.375 16.4063,18.7875 16.6751,18.2687L21.7251,23.3187C21.5688,23.4 21.4126,23.475 21.2438,23.5312V24.8375C21.7438,24.7062 22.2126,24.5 22.6376,24.2375L24.1126,25.7125L24.9063,24.9188L15.0876,15.0875L14.2876,15.8812ZM25.0001,15H21.2501V18.75L22.6501,17.35C23.3251,18.0313 23.7501,18.9625 23.7501,20C23.7501,20.625 23.5938,21.2125 23.3251,21.7313L24.2376,22.6437C24.7188,21.8812 25.0001,20.975 25.0001,20C25.0001,18.6187 24.4313,17.375 23.5251,16.475L25.0001,15Z"
         android:fillColor="@color/default_bg_color"/>

chrome/android/java/res/drawable/ic_sync_off_48dp.xml

@@ -12,10 +12,8 @@
     tools:targetApi="21">
 
     <path
-        android:strokeWidth="1"
         android:pathData="M20,30.5C25.799,30.5 30.5,25.799 30.5,20C30.5,14.201 25.799,9.5 20,9.5C14.201,9.5 9.5,14.201 9.5,20C9.5,25.799 14.201,30.5 20,30.5Z"
-        android:fillColor="@color/default_icon_color_secondary"
-        android:strokeColor="@color/default_bg_color"/>
+        android:fillColor="@color/default_icon_color_secondary"/>
     <path
         android:pathData="M18.7501,16.4687V15.1625C18.2501,15.2938 17.7813,15.5 17.3563,15.7625L18.2688,16.675C18.4251,16.6 18.5813,16.525 18.7501,16.4687ZM14.2876,15.8812L15.7626,17.3562C15.2813,18.1188 15.0001,19.025 15.0001,20C15.0001,21.3813 15.5688,22.625 16.4751,23.525L15.0001,25H18.7501V21.25L17.3501,22.65C16.6751,21.9687 16.2501,21.0375 16.2501,20C16.2501,19.375 16.4063,18.7875 16.6751,18.2687L21.7251,23.3187C21.5688,23.4 21.4126,23.475 21.2438,23.5312V24.8375C21.7438,24.7062 22.2126,24.5 22.6376,24.2375L24.1126,25.7125L24.9063,24.9188L15.0876,15.0875L14.2876,15.8812ZM25.0001,15H21.2501V18.75L22.6501,17.35C23.3251,18.0313 23.7501,18.9625 23.7501,20C23.7501,20.625 23.5938,21.2125 23.3251,21.7313L24.2376,22.6437C24.7188,21.8812 25.0001,20.975 25.0001,20C25.0001,18.6187 24.4313,17.375 23.5251,16.475L25.0001,15Z"
         android:fillColor="@color/default_bg_color"/>

chrome/android/java/res/drawable/ic_sync_on_48dp.xml

@@ -12,10 +12,8 @@
     tools:targetApi="21">
 
     <path
-        android:strokeWidth="1"
         android:pathData="M20,30.5C25.799,30.5 30.5,25.799 30.5,20C30.5,14.201 25.799,9.5 20,9.5C14.201,9.5 9.5,14.201 9.5,20C9.5,25.799 14.201,30.5 20,30.5Z"
-        android:fillColor="@color/default_green"
-        android:strokeColor="@color/default_bg_color"/>
+        android:fillColor="@color/default_green"/>
     <path
         android:pathData="M17.3482,22.6516C15.8854,21.1888 15.8854,18.8112 17.3482,17.3483C17.7946,16.902 18.3293,16.5882 18.895,16.4203L18.895,15.1298C18.0067,15.3287 17.1582,15.7706 16.4643,16.4644C14.5109,18.4178 14.5109,21.5821 16.4643,23.5355L15.1385,24.8613L18.674,24.8613L18.674,21.3258L17.3482,22.6516ZM23.5354,16.4644L24.8612,15.1386L21.3257,15.1386L21.3257,18.6742L22.6515,17.3483C24.1143,18.8112 24.1143,21.1888 22.6515,22.6516C22.2051,23.098 21.6704,23.4118 21.1047,23.5797L21.1047,24.8702C21.993,24.6713 22.8415,24.2294 23.5354,23.5355C25.4888,21.5821 25.4888,18.4178 23.5354,16.4644Z"
         android:fillColor="@color/default_bg_color"