Move deobfuscation proto to separate file.

This will be used for heap graphs, heap profiles and stack sampling
profiles.

Bug: 159987908
Change-Id: I204c0777dc9d2f8c9d2c5180058327a96c099510
diff --git a/BUILD b/BUILD
index 8a10449..93176cb 100644
--- a/BUILD
+++ b/BUILD
@@ -2524,6 +2524,7 @@
 perfetto_proto_library(
     name = "protos_perfetto_trace_profiling_protos",
     srcs = [
+        "protos/perfetto/trace/profiling/deobfuscation.proto",
         "protos/perfetto/trace/profiling/heap_graph.proto",
         "protos/perfetto/trace/profiling/profile_common.proto",
         "protos/perfetto/trace/profiling/profile_packet.proto",