Copy ApplicationInfo#versionCode field

This compatibility change ensures that apps built for pre-P that rely
on reflection to access ApplicationInfo#versionCode don't crash. The
move to long version code introduces a new field and all modifications
of the field are wrapped in a method that ensures both the new and old
fields are set appropriately.

Test: manual - impacted app runs
Change-Id: I5fb37c65b0fb04042dda12479d1e1a76590daa3d
Fixes: 74393568
diff --git a/services/core/java/com/android/server/am/ActiveServices.java b/services/core/java/com/android/server/am/ActiveServices.java
index f57e9ac..75b651d 100644
--- a/services/core/java/com/android/server/am/ActiveServices.java
+++ b/services/core/java/com/android/server/am/ActiveServices.java
@@ -2283,7 +2283,7 @@
                         + " app=" + app);
             if (app != null && app.thread != null) {
                 try {
-                    app.addPackage(r.appInfo.packageName, r.appInfo.versionCode, mAm.mProcessStats);
+                    app.addPackage(r.appInfo.packageName, r.appInfo.longVersionCode, mAm.mProcessStats);
                     realStartServiceLocked(r, app, execInFg);
                     return null;
                 } catch (TransactionTooLargeException e) {
@@ -3009,7 +3009,7 @@
 
                     mPendingServices.remove(i);
                     i--;
-                    proc.addPackage(sr.appInfo.packageName, sr.appInfo.versionCode,
+                    proc.addPackage(sr.appInfo.packageName, sr.appInfo.longVersionCode,
                             mAm.mProcessStats);
                     realStartServiceLocked(sr, proc, sr.createdFromFg);
                     didSomething = true;
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index ea089e0..a443f0f 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -1579,7 +1579,7 @@
                     // to run in multiple processes, because this is actually
                     // part of the framework so doesn't make sense to track as a
                     // separate apk in the process.
-                    app.addPackage(r.info.packageName, r.info.applicationInfo.versionCode,
+                    app.addPackage(r.info.packageName, r.info.applicationInfo.longVersionCode,
                             mService.mProcessStats);
                 }
                 realStartActivityLocked(r, app, andResume, checkConfig);
diff --git a/services/core/java/com/android/server/am/ProcessRecord.java b/services/core/java/com/android/server/am/ProcessRecord.java
index 03acb84..b7fde1d 100644
--- a/services/core/java/com/android/server/am/ProcessRecord.java
+++ b/services/core/java/com/android/server/am/ProcessRecord.java
@@ -496,7 +496,7 @@
         uid = _uid;
         userId = UserHandle.getUserId(_uid);
         processName = _processName;
-        pkgList.put(_info.packageName, new ProcessStats.ProcessStateHolder(_info.versionCode));
+        pkgList.put(_info.packageName, new ProcessStats.ProcessStateHolder(_info.longVersionCode));
         maxAdj = ProcessList.UNKNOWN_ADJ;
         curRawAdj = setRawAdj = ProcessList.INVALID_ADJ;
         curAdj = setAdj = verifiedAdj = ProcessList.INVALID_ADJ;
@@ -521,7 +521,7 @@
                 origBase.makeInactive();
             }
             baseProcessTracker = tracker.getProcessStateLocked(info.packageName, uid,
-                    info.versionCode, processName);
+                    info.longVersionCode, processName);
             baseProcessTracker.makeActive();
             for (int i=0; i<pkgList.size(); i++) {
                 ProcessStats.ProcessStateHolder holder = pkgList.valueAt(i);
@@ -529,7 +529,7 @@
                     holder.state.makeInactive();
                 }
                 holder.state = tracker.getProcessStateLocked(pkgList.keyAt(i), uid,
-                        info.versionCode, processName);
+                        info.longVersionCode, processName);
                 if (holder.state != baseProcessTracker) {
                     holder.state.makeActive();
                 }
@@ -828,9 +828,9 @@
                 }
                 pkgList.clear();
                 ProcessState ps = tracker.getProcessStateLocked(
-                        info.packageName, uid, info.versionCode, processName);
+                        info.packageName, uid, info.longVersionCode, processName);
                 ProcessStats.ProcessStateHolder holder = new ProcessStats.ProcessStateHolder(
-                        info.versionCode);
+                        info.longVersionCode);
                 holder.state = ps;
                 pkgList.put(info.packageName, holder);
                 if (ps != baseProcessTracker) {
@@ -839,7 +839,7 @@
             }
         } else if (N != 1) {
             pkgList.clear();
-            pkgList.put(info.packageName, new ProcessStats.ProcessStateHolder(info.versionCode));
+            pkgList.put(info.packageName, new ProcessStats.ProcessStateHolder(info.longVersionCode));
         }
     }
 
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 2c98da3..69cba2a 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -3946,7 +3946,7 @@
             ai.uid = UserHandle.getUid(userId, ps.appId);
             ai.primaryCpuAbi = ps.primaryCpuAbiString;
             ai.secondaryCpuAbi = ps.secondaryCpuAbiString;
-            ai.versionCode = ps.versionCode;
+            ai.setVersionCode(ps.versionCode);
             ai.flags = ps.pkgFlags;
             ai.privateFlags = ps.pkgPrivateFlags;
             pi.applicationInfo = PackageParser.generateApplicationInfo(ai, flags, state, userId);
@@ -6773,7 +6773,7 @@
                 // the instant application, we'll do the right thing.
                 final ApplicationInfo ai = localInstantApp.activityInfo.applicationInfo;
                 auxiliaryResponse = new AuxiliaryResolveInfo(null /* failureActivity */,
-                                        ai.packageName, ai.versionCode, null /* splitName */);
+                                        ai.packageName, ai.longVersionCode, null /* splitName */);
             }
         }
         if (intent.isWebIntent() && auxiliaryResponse == null) {
@@ -6957,7 +6957,7 @@
                 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo(
                         installFailureActivity,
                         info.activityInfo.packageName,
-                        info.activityInfo.applicationInfo.versionCode,
+                        info.activityInfo.applicationInfo.longVersionCode,
                         info.activityInfo.splitName);
                 // add a non-generic filter
                 installerInfo.filter = new IntentFilter();
@@ -7703,7 +7703,7 @@
                     installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo(
                             null /* installFailureActivity */,
                             info.serviceInfo.packageName,
-                            info.serviceInfo.applicationInfo.versionCode,
+                            info.serviceInfo.applicationInfo.longVersionCode,
                             info.serviceInfo.splitName);
                     // add a non-generic filter
                     installerInfo.filter = new IntentFilter();
@@ -7821,7 +7821,7 @@
                     installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo(
                             null /*failureActivity*/,
                             info.providerInfo.packageName,
-                            info.providerInfo.applicationInfo.versionCode,
+                            info.providerInfo.applicationInfo.longVersionCode,
                             info.providerInfo.splitName);
                     // add a non-generic filter
                     installerInfo.filter = new IntentFilter();
diff --git a/services/tests/servicestests/src/com/android/server/pm/BaseShortcutManagerTest.java b/services/tests/servicestests/src/com/android/server/pm/BaseShortcutManagerTest.java
index 1974750..16c84e9 100644
--- a/services/tests/servicestests/src/com/android/server/pm/BaseShortcutManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/BaseShortcutManagerTest.java
@@ -1014,7 +1014,7 @@
         pi.applicationInfo.flags = ApplicationInfo.FLAG_INSTALLED
                 | ApplicationInfo.FLAG_ALLOW_BACKUP;
         pi.versionCode = version;
-        pi.applicationInfo.versionCode = version;
+        pi.applicationInfo.setVersionCode(version);
         pi.signatures = null;
         pi.signingCertificateHistory = new Signature[][] {genSignatures(signatures)};
 
@@ -1032,7 +1032,7 @@
     protected void updatePackageVersion(String packageName, int increment) {
         updatePackageInfo(packageName, pi -> {
             pi.versionCode += increment;
-            pi.applicationInfo.versionCode += increment;
+            pi.applicationInfo.setVersionCode(pi.applicationInfo.longVersionCode + increment);
         });
     }
 
diff --git a/services/tests/servicestests/src/com/android/server/webkit/WebViewUpdateServiceTest.java b/services/tests/servicestests/src/com/android/server/webkit/WebViewUpdateServiceTest.java
index 9ad41cd..dca09af 100644
--- a/services/tests/servicestests/src/com/android/server/webkit/WebViewUpdateServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/webkit/WebViewUpdateServiceTest.java
@@ -21,7 +21,6 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
-import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.Signature;
@@ -206,7 +205,7 @@
         PackageInfo p = createPackageInfo(packageName, enabled, valid, installed, signatures,
                 updateTime, hidden);
         p.setLongVersionCode(versionCode);
-        p.applicationInfo.versionCode = versionCode;
+        p.applicationInfo.setVersionCode(versionCode);
         if (isSystemApp) p.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM;
         return p;
     }