MediaCodec: clean up resources pending removal at init

Until we can track memory usage in ResourceManager, always clean up
resources pending removal at init so that we can reclaim memory
and any other resources that are untracked.

Bug: 169398817
Test: atest ResourceManagerService_test
Test: atest CtsMediaTestCases -- --module-arg CtsMediaTestCases:size:small
Change-Id: Ia515443379edb03e68dd2ff5cba07c405aacd433
diff --git a/services/mediaresourcemanager/test/ResourceManagerService_test.cpp b/services/mediaresourcemanager/test/ResourceManagerService_test.cpp
index 702935d..a6ecc09 100644
--- a/services/mediaresourcemanager/test/ResourceManagerService_test.cpp
+++ b/services/mediaresourcemanager/test/ResourceManagerService_test.cpp
@@ -520,6 +520,30 @@
             // clean up client 3 which still left
             mService->removeClient(kTestPid2, getId(mTestClient3));
         }
+
+        {
+            addResource();
+            mService->mSupportsSecureWithNonSecureCodec = true;
+
+            mService->markClientForPendingRemoval(kTestPid2, getId(mTestClient2));
+
+            // client marked for pending removal got reclaimed
+            EXPECT_TRUE(mService->reclaimResourcesFromClientsPendingRemoval(kTestPid2).isOk());
+            verifyClients(false /* c1 */, true /* c2 */, false /* c3 */);
+
+            // No more clients marked for removal
+            EXPECT_TRUE(mService->reclaimResourcesFromClientsPendingRemoval(kTestPid2).isOk());
+            verifyClients(false /* c1 */, false /* c2 */, false /* c3 */);
+
+            mService->markClientForPendingRemoval(kTestPid2, getId(mTestClient3));
+
+            // client marked for pending removal got reclaimed
+            EXPECT_TRUE(mService->reclaimResourcesFromClientsPendingRemoval(kTestPid2).isOk());
+            verifyClients(false /* c1 */, false /* c2 */, true /* c3 */);
+
+            // clean up client 1 which still left
+            mService->removeClient(kTestPid1, getId(mTestClient1));
+        }
     }
 
     void testRemoveClient() {