Clean up UserHandle.isOwner() in settings

Bug: 24869636
Change-Id: I9cb05a7543024136935902047952f582ae57c07c
diff --git a/src/com/android/settings/ChooseLockGeneric.java b/src/com/android/settings/ChooseLockGeneric.java
index 6fb7579..d571fac 100644
--- a/src/com/android/settings/ChooseLockGeneric.java
+++ b/src/com/android/settings/ChooseLockGeneric.java
@@ -33,6 +33,7 @@
 import android.os.Bundle;
 import android.os.Process;
 import android.os.UserHandle;
+import android.os.UserManager;
 import android.security.KeyStore;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
@@ -208,7 +209,8 @@
         // what makes sense with disabled == true
         private void maybeEnableEncryption(int quality, boolean disabled) {
             DevicePolicyManager dpm = (DevicePolicyManager) getSystemService(DEVICE_POLICY_SERVICE);
-            if (Process.myUserHandle().isOwner() && LockPatternUtils.isDeviceEncryptionEnabled()
+            if (UserManager.get(getActivity()).isAdminUser()
+                    && LockPatternUtils.isDeviceEncryptionEnabled()
                     && !dpm.getDoNotAskCredentialsOnBoot()) {
                 mEncryptionRequestQuality = quality;
                 mEncryptionRequestDisabled = disabled;
diff --git a/src/com/android/settings/DeviceAdminAdd.java b/src/com/android/settings/DeviceAdminAdd.java
index 1f10851..19ad25b 100644
--- a/src/com/android/settings/DeviceAdminAdd.java
+++ b/src/com/android/settings/DeviceAdminAdd.java
@@ -41,6 +41,7 @@
 import android.os.RemoteCallback;
 import android.os.RemoteException;
 import android.os.UserHandle;
+import android.os.UserManager;
 import android.text.TextUtils.TruncateAt;
 import android.util.EventLog;
 import android.util.Log;
@@ -472,10 +473,10 @@
 
     private void addDeviceAdminPolicies(boolean showDescription) {
         if (!mAdminPoliciesInitialized) {
-            boolean isOwner = Binder.getCallingUserHandle().isOwner();
+            boolean isAdminUser = UserManager.get(this).isAdminUser();
             for (DeviceAdminInfo.PolicyInfo pi : mDeviceAdmin.getUsedPolicies()) {
-                int descriptionId = isOwner ? pi.description : pi.descriptionForSecondaryUsers;
-                int labelId = isOwner ? pi.label : pi.labelForSecondaryUsers;
+                int descriptionId = isAdminUser ? pi.description : pi.descriptionForSecondaryUsers;
+                int labelId = isAdminUser ? pi.label : pi.labelForSecondaryUsers;
                 View view = AppSecurityPermissions.getPermissionItemView(this, getText(labelId),
                         showDescription ? getText(descriptionId) : "", true);
                 mAdminPolicies.addView(view);