use 'int' for min sdk version

per api council

Change-Id: Id3c1191534f61a0d511a6e9932f50ee613830999
diff --git a/core/java/android/content/pm/ApplicationInfo.java b/core/java/android/content/pm/ApplicationInfo.java
index 585d2a3..51a7be4 100644
--- a/core/java/android/content/pm/ApplicationInfo.java
+++ b/core/java/android/content/pm/ApplicationInfo.java
@@ -728,7 +728,7 @@
      * The minimum SDK version this application can run on. It will not run
      * on earlier versions.
      */
-    public String minSdkVersion;
+    public int minSdkVersion;
 
     /**
      * The minimum SDK version this application targets.  It may run on earlier
@@ -965,7 +965,7 @@
         dest.writeString(deviceProtectedDataDir);
         dest.writeString(credentialProtectedDataDir);
         dest.writeInt(uid);
-        dest.writeString(minSdkVersion);
+        dest.writeInt(minSdkVersion);
         dest.writeInt(targetSdkVersion);
         dest.writeInt(versionCode);
         dest.writeInt(enabled ? 1 : 0);
@@ -1020,7 +1020,7 @@
         deviceEncryptedDataDir = deviceProtectedDataDir = source.readString();
         credentialEncryptedDataDir = credentialProtectedDataDir = source.readString();
         uid = source.readInt();
-        minSdkVersion = source.readString();
+        minSdkVersion = source.readInt();
         targetSdkVersion = source.readInt();
         versionCode = source.readInt();
         enabled = source.readInt() != 0;