Fix 'Modifying dpm.setSecureSetting call for install_non_market_apps'

The previous change was reverted as it broke work profile provisioning.
Clearing binder calling identity before calling into settings provider
should fix the issue.

Test: runtest managed-provisioning
Test: runtest -x services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
Test: Manually tested that work profile is inflated with expected values
of install_non_market_apps

Bug: 33947615
Bug: 35590590

Change-Id: I3c31a73fef0c25c0e682e18f637272adad39b28d
diff --git a/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java b/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java
index 85c153c..9cf060c 100644
--- a/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java
+++ b/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java
@@ -3174,9 +3174,17 @@
                     // setting through the UI.
                     final SettingsState secureSetting = getSecureSettingsLocked(userId);
                     if (!mUserManager.hasUserRestriction(
-                            UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, UserHandle.of(userId))) {
+                            UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, UserHandle.of(userId))
+                            && secureSetting.getSettingLocked(
+                            Settings.Secure.INSTALL_NON_MARKET_APPS).getValue().equals("0")) {
+
                         secureSetting.insertSettingLocked(Settings.Secure.INSTALL_NON_MARKET_APPS,
                                 "1", null, true, SettingsState.SYSTEM_PACKAGE_NAME);
+                        // For managed profiles with profile owners, DevicePolicyManagerService
+                        // may want to set the user restriction in this case
+                        secureSetting.insertSettingLocked(
+                                Settings.Secure.UNKNOWN_SOURCES_DEFAULT_REVERSED, "1", null, true,
+                                SettingsState.SYSTEM_PACKAGE_NAME);
                     }
                     currentVersion = 138;
                 }