Bump minSdkVersion to API 14.

First step in moving minSdkVersion to API 14 for support library.

Bug: 32794064
Test: gradlew clean assemble assembleAndroidTest still works
Change-Id: I113834cc6e3c088cdf606a86fe7a35faa192b801
diff --git a/v7/gridlayout/build.gradle b/v7/gridlayout/build.gradle
index 427c0d7..7ef9e5e 100644
--- a/v7/gridlayout/build.gradle
+++ b/v7/gridlayout/build.gradle
@@ -18,7 +18,7 @@
     compileSdkVersion project.ext.currentSdk
 
     defaultConfig {
-        minSdkVersion 9
+        minSdkVersion 14
     }
 
     sourceSets {