Update Gradle files with new min SDK

Test: not relevant
Change-Id: I16b171632630ac9c75abda04d0977830d7f0cfc0
diff --git a/v13/build.gradle b/v13/build.gradle
index 1215afd..261bb70 100644
--- a/v13/build.gradle
+++ b/v13/build.gradle
@@ -31,5 +31,5 @@
 supportLibrary {
     name 'Android Support Library v13'
     inceptionYear '2011'
-    description "The Support Library is a static library that you can add to your Android application in order to use APIs that are either not available for older platform versions or utility APIs that aren't a part of the framework APIs. Compatible on devices running API 4 or later."
+    description "The Support Library is a static library that you can add to your Android application in order to use APIs that are either not available for older platform versions or utility APIs that aren't a part of the framework APIs. Compatible on devices running API 14 or later."
 }