Treblelize bug_map: split bug_map to multiple partitions

* plat_bug_map: Platform-specific bug_map definitions.
* system_ext_bug_map: Product-specific bug_map definitions.
* vendor_bug_map: SOC-specific bug_map definitions.

Bug: 177977370
Test: Boot and check auditd logs
Change-Id: I6f26b421acfd060e8abb8e4e812c0f422cc6757b
diff --git a/build/soong/Android.bp b/build/soong/Android.bp
index 3126430..e3b6541 100644
--- a/build/soong/Android.bp
+++ b/build/soong/Android.bp
@@ -31,6 +31,7 @@
         "soong-sysprop",
     ],
     srcs: [
+        "bug_map.go",
         "build_files.go",
         "cil_compat_map.go",
         "compat_cil.go",