AOSP/Messaging - Changed minSdkVersion to 19.

Bug: 159055957

Test: manual - Tested the messaging UI.

$ make -j 40

Change-Id: I6f89161d7c841e88fcd8496417ae1ab8e964961a
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 9a32085..b25ff16 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -18,7 +18,7 @@
     package="com.android.messaging"
     android:installLocation="internalOnly">
 
-    <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="24" />
+    <uses-sdk android:minSdkVersion="19" android:targetSdkVersion="24" />
 
     <!-- Application holds CPU wakelock while working in background -->
     <uses-permission android:name="android.permission.WAKE_LOCK" />