Update Recents Search assets

- 20% grey per UX request

See bug: #12910134 Implement Search into the Settings App

Change-Id: I6c6e506a2f371b95c5c953615a41143e913e855b
diff --git a/res/drawable-hdpi/ic_search_history.png b/res/drawable-hdpi/ic_search_history.png
index dddce09..eaef70c 100644
--- a/res/drawable-hdpi/ic_search_history.png
+++ b/res/drawable-hdpi/ic_search_history.png
Binary files differ
diff --git a/res/drawable-mdpi/ic_search_history.png b/res/drawable-mdpi/ic_search_history.png
index 597e330..fd6755f 100644
--- a/res/drawable-mdpi/ic_search_history.png
+++ b/res/drawable-mdpi/ic_search_history.png
Binary files differ
diff --git a/res/drawable-xhdpi/ic_search_history.png b/res/drawable-xhdpi/ic_search_history.png
index e2e9b76..7183fc2 100644
--- a/res/drawable-xhdpi/ic_search_history.png
+++ b/res/drawable-xhdpi/ic_search_history.png
Binary files differ
diff --git a/res/drawable-xxhdpi/ic_search_history.png b/res/drawable-xxhdpi/ic_search_history.png
index 686c03a..174409b 100644
--- a/res/drawable-xxhdpi/ic_search_history.png
+++ b/res/drawable-xxhdpi/ic_search_history.png
Binary files differ
diff --git a/res/drawable-xxxhdpi/ic_search_history.png b/res/drawable-xxxhdpi/ic_search_history.png
index 5c12297..ffce51e 100644
--- a/res/drawable-xxxhdpi/ic_search_history.png
+++ b/res/drawable-xxxhdpi/ic_search_history.png
Binary files differ