Update the minimum NDK target API.

Gingerbread is no longer supported. ICS is now the minimum target.

Test: make checkbuild
Bug: None
Change-Id: I896b83d9984d90d907fe518cc722a4a3722626a1
diff --git a/android/config.go b/android/config.go
index 330669d..c435e85 100644
--- a/android/config.go
+++ b/android/config.go
@@ -379,7 +379,7 @@
 }
 
 func (c *config) MinSupportedSdkVersion() int {
-	return 9
+	return 14
 }
 
 // Codenames that are active in the current lunch target.