Remove checked-in generated files and use build-time gen ones

Pre-requisite step for http://go/perfetto-libprotobuf
(get rid of libprotobuf runtime dependency).
This change keeps some checked-in headers as proxy shims
(e.g. include/core/data_source_config.h has only
#include ".../data_source_config.gen.h")
This is to handle potential reverts of the chromium roll
more easily. They will be removed in a follow-up.

Bug: 132880619
Test: CI
Change-Id: I2d8c391b060dac37209a640e269e13ae34e8981f
diff --git a/src/tracing/core/tracing_service_impl_unittest.cc b/src/tracing/core/tracing_service_impl_unittest.cc
index 3479e1e..b301612 100644
--- a/src/tracing/core/tracing_service_impl_unittest.cc
+++ b/src/tracing/core/tracing_service_impl_unittest.cc
@@ -1127,8 +1127,7 @@
   trace_config.add_buffers()->set_size_kb(128);
   auto* ds_config = trace_config.add_data_sources()->mutable_config();
   ds_config->set_name("data_source");
-  trace_config.set_lockdown_mode(
-      TraceConfig::LockdownModeOperation::LOCKDOWN_SET);
+  trace_config.set_lockdown_mode(TraceConfig::LOCKDOWN_SET);
   consumer->EnableTracing(trace_config);
 
   producer->WaitForTracingSetup();
@@ -1147,8 +1146,7 @@
   producer->WaitForDataSourceStop("data_source");
   consumer->WaitForTracingDisabled();
 
-  trace_config.set_lockdown_mode(
-      TraceConfig::LockdownModeOperation::LOCKDOWN_CLEAR);
+  trace_config.set_lockdown_mode(TraceConfig::LOCKDOWN_CLEAR);
   consumer->EnableTracing(trace_config);
   producer->WaitForDataSourceSetup("data_source");
   producer->WaitForDataSourceStart("data_source");
@@ -2703,8 +2701,7 @@
     ObservableEvents::DataSourceInstanceStateChange change;
     change.set_producer_name("mock_producer");
     change.set_data_source_name("data_source");
-    change.set_state(ObservableEvents::DataSourceInstanceStateChange::
-                         DATA_SOURCE_INSTANCE_STATE_STARTED);
+    change.set_state(ObservableEvents::DATA_SOURCE_INSTANCE_STATE_STARTED);
     EXPECT_EQ(events.instance_state_changes_size(), 1);
     EXPECT_THAT(events.instance_state_changes(), Contains(Eq(change)));
   }
@@ -2718,8 +2715,7 @@
     ObservableEvents::DataSourceInstanceStateChange change;
     change.set_producer_name("mock_producer");
     change.set_data_source_name("data_source");
-    change.set_state(ObservableEvents::DataSourceInstanceStateChange::
-                         DATA_SOURCE_INSTANCE_STATE_STOPPED);
+    change.set_state(ObservableEvents::DATA_SOURCE_INSTANCE_STATE_STOPPED);
     EXPECT_EQ(events.instance_state_changes_size(), 1);
     EXPECT_THAT(events.instance_state_changes(), Contains(Eq(change)));
   }
@@ -2739,8 +2735,7 @@
     ObservableEvents::DataSourceInstanceStateChange change;
     change.set_producer_name("mock_producer");
     change.set_data_source_name("data_source");
-    change.set_state(ObservableEvents::DataSourceInstanceStateChange::
-                         DATA_SOURCE_INSTANCE_STATE_STOPPED);
+    change.set_state(ObservableEvents::DATA_SOURCE_INSTANCE_STATE_STOPPED);
     EXPECT_EQ(events.instance_state_changes_size(), 1);
     EXPECT_THAT(events.instance_state_changes(), Contains(Eq(change)));
   }
@@ -2756,8 +2751,7 @@
     ObservableEvents::DataSourceInstanceStateChange change;
     change.set_producer_name("mock_producer");
     change.set_data_source_name("data_source");
-    change.set_state(ObservableEvents::DataSourceInstanceStateChange::
-                         DATA_SOURCE_INSTANCE_STATE_STARTED);
+    change.set_state(ObservableEvents::DATA_SOURCE_INSTANCE_STATE_STARTED);
     EXPECT_EQ(events.instance_state_changes_size(), 1);
     EXPECT_THAT(events.instance_state_changes(), Contains(Eq(change)));
   }
@@ -2803,8 +2797,7 @@
         event.add_instance_state_changes();
     change->set_producer_name("mock_producer");
     change->set_data_source_name("data_source");
-    change->set_state(ObservableEvents::DataSourceInstanceStateChange::
-                          DATA_SOURCE_INSTANCE_STATE_STARTED);
+    change->set_state(ObservableEvents::DATA_SOURCE_INSTANCE_STATE_STARTED);
     EXPECT_CALL(*consumer, OnObservableEvents(Eq(event)))
         .WillOnce(InvokeWithoutArgs(
             task_runner.CreateCheckpoint("data_source_started")));
@@ -2817,8 +2810,7 @@
         event.add_instance_state_changes();
     change->set_producer_name("mock_producer");
     change->set_data_source_name("data_source");
-    change->set_state(ObservableEvents::DataSourceInstanceStateChange::
-                          DATA_SOURCE_INSTANCE_STATE_STOPPED);
+    change->set_state(ObservableEvents::DATA_SOURCE_INSTANCE_STATE_STOPPED);
     EXPECT_CALL(*consumer, OnObservableEvents(Eq(event)))
         .WillOnce(InvokeWithoutArgs(
             task_runner.CreateCheckpoint("data_source_stopped")));