Updated assets (app icon & default thumbnail)

 Bug: 3378251

Change-Id: I1ae4890b9e6fdb60e7a7dca8c4b2f77939655cbe
diff --git a/res/drawable-mdpi/browser_thumbnail.png b/res/drawable-mdpi/browser_thumbnail.png
index f596131..f59bec5 100644
--- a/res/drawable-mdpi/browser_thumbnail.png
+++ b/res/drawable-mdpi/browser_thumbnail.png
Binary files differ
diff --git a/res/drawable/browser_widget_preview.png b/res/drawable/browser_widget_preview.png
index 4923978..7a2af05 100644
--- a/res/drawable/browser_widget_preview.png
+++ b/res/drawable/browser_widget_preview.png
Binary files differ
diff --git a/res/mipmap-hdpi/ic_launcher_browser.png b/res/mipmap-hdpi/ic_launcher_browser.png
index 2ca92c8..8a6c206 100644
--- a/res/mipmap-hdpi/ic_launcher_browser.png
+++ b/res/mipmap-hdpi/ic_launcher_browser.png
Binary files differ
diff --git a/res/mipmap-mdpi/ic_launcher_browser.png b/res/mipmap-mdpi/ic_launcher_browser.png
old mode 100755
new mode 100644
index f9d6172..cb473d3
--- a/res/mipmap-mdpi/ic_launcher_browser.png
+++ b/res/mipmap-mdpi/ic_launcher_browser.png
Binary files differ