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/core-ui/AndroidManifest.xml b/core-ui/AndroidManifest.xml
index 5357112..61eba66 100644
--- a/core-ui/AndroidManifest.xml
+++ b/core-ui/AndroidManifest.xml
@@ -16,7 +16,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           xmlns:tools="http://schemas.android.com/tools"
           package="android.support.coreui">
-    <uses-sdk android:minSdkVersion="9" tools:overrideLibrary="android.support.coreui"/>
+    <uses-sdk android:minSdkVersion="14" tools:overrideLibrary="android.support.coreui"/>
     <meta-data android:name="android.support.VERSION" android:value="${support-version}" />
     <application />
 </manifest>