Percentage based layouts.

Change-Id: I366ad93a61804231b934d08ff0d1a31d8b66817c
diff --git a/settings.gradle b/settings.gradle
index 7e907c2..ce5bf86 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -30,3 +30,6 @@
 
 include ':support-design'
 project(':support-design').projectDir = new File(rootDir, 'design')
+
+include ':support-percent'
+project(':support-percent').projectDir = new File(rootDir, 'percent')