Merge "Prevent system app upgrading from multi-arch to single-arch" am: 5cac6ed047
am: 58a0809802

Change-Id: I406ed219fcf24745bde9c7fe45570d62378fbd85
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 2e8e890..0bdbe4c 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -17736,6 +17736,15 @@
                 return;
             }
 
+            // check if the new package supports all of the abis which the old package supports
+            boolean oldPkgSupportMultiArch = oldPackage.applicationInfo.secondaryCpuAbi != null;
+            boolean newPkgSupportMultiArch = pkg.applicationInfo.secondaryCpuAbi != null;
+            if (isSystemApp(oldPackage) && oldPkgSupportMultiArch && !newPkgSupportMultiArch) {
+                res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
+                        "Update to package " + pkgName + " doesn't support multi arch");
+                return;
+            }
+
             // In case of rollback, remember per-user/profile install state
             allUsers = sUserManager.getUserIds();
             installedUsers = ps.queryInstalledUsers(allUsers, true);