Trace Redaction - Rename "BuildTimeline" to "CollectTimelineEvents"

The "BuildTimeline" primitive was not a build primitive; it was a
collect primitive. The "OptimizeTimeline" was a build primitive.

This CL changes the collect primitive (BuildTimeline) to better name
(CollectTimelineEvents).

Change-Id: I4999e7f995b2b0b45e7bc21f6fe329b51a255cb2
diff --git a/Android.bp b/Android.bp
index 40484c4..1683b53 100644
--- a/Android.bp
+++ b/Android.bp
@@ -12859,7 +12859,7 @@
 filegroup {
     name: "perfetto_src_trace_redaction_trace_redaction",
     srcs: [
-        "src/trace_redaction/build_timeline.cc",
+        "src/trace_redaction/collect_timeline_events.cc",
         "src/trace_redaction/filter_ftrace_using_allowlist.cc",
         "src/trace_redaction/filter_packet_using_allowlist.cc",
         "src/trace_redaction/filter_print_events.cc",
@@ -12888,7 +12888,7 @@
 filegroup {
     name: "perfetto_src_trace_redaction_unittests",
     srcs: [
-        "src/trace_redaction/build_timeline_unittest.cc",
+        "src/trace_redaction/collect_timeline_events_unittest.cc",
         "src/trace_redaction/filter_ftrace_using_allowlist_unittest.cc",
         "src/trace_redaction/filter_packet_using_allowlist_unittest.cc",
         "src/trace_redaction/filter_sched_waking_events_unittest.cc",