setAffiliationIds and getAffiliationIds uses set instead of list

Didn't use @remove because java doesn't support two methods differs from
the return type only.

Test: cts-tradefed run cts-dev --module DevicePolicyManager --test com.android.cts.devicepolicy.DeviceOwnerTest#testLockTask_unaffiliatedUser
Test: runtest -x frameworks/base/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
Test: cts-tradefed run cts-dev --module DevicePolicyManager  --test com.android.cts.devicepolicy.DeviceOwnerPlusProfileOwnerTest

Change-Id: Ic7c7221ef5e680a6765f028c2ab73d4c2f908c58
Fix: 37622682
diff --git a/api/removed.txt b/api/removed.txt
index dc9c54e..f1ce247 100644
--- a/api/removed.txt
+++ b/api/removed.txt
@@ -18,6 +18,7 @@
     method public deprecated android.os.UserHandle createUser(android.content.ComponentName, java.lang.String);
     method public deprecated java.lang.String getDeviceInitializerApp();
     method public deprecated android.content.ComponentName getDeviceInitializerComponent();
+    method public void setAffiliationIds(android.content.ComponentName, java.util.List<java.lang.String>);
   }
 
 }