Fix: Add new Android 7 wallpapers

Integrate thumbnails from content team for new Android 7 wallpapers.

Issue: FP2N-222
Issue: FP2N-244
Change-Id: I71b68a1dacf525fe4f0cee11aec578c899df79cc
diff --git a/wallpapers/thumbnails/a7_blue_small.png b/wallpapers/thumbnails/a7_blue_small.png
index 8f6cc2b..7654d01 100644
--- a/wallpapers/thumbnails/a7_blue_small.png
+++ b/wallpapers/thumbnails/a7_blue_small.png
Binary files differ
diff --git a/wallpapers/thumbnails/a7_bw_small.png b/wallpapers/thumbnails/a7_bw_small.png
index 54a8404..069bbe4 100644
--- a/wallpapers/thumbnails/a7_bw_small.png
+++ b/wallpapers/thumbnails/a7_bw_small.png
Binary files differ
diff --git a/wallpapers/thumbnails/a7_orange_small.png b/wallpapers/thumbnails/a7_orange_small.png
index c1ccb98..82e408f 100644
--- a/wallpapers/thumbnails/a7_orange_small.png
+++ b/wallpapers/thumbnails/a7_orange_small.png
Binary files differ