Delete atoms.proto from statsd

Use the atoms.proto in proto_logging as the source of truth. Also
migrates statsd log api gen to use the new atoms.proto

Bug: 167962588
Test: m -j && m CtsStatsdAtomHostTestCases

Change-Id: I36ec354d273dceace5245d7634c68ac63dc5a8cd
diff --git a/Android.bp b/Android.bp
index 8164d6a..d9fe7cc 100644
--- a/Android.bp
+++ b/Android.bp
@@ -912,13 +912,17 @@
     name: "platformprotos",
     srcs: [
         ":ipconnectivity-proto-src",
+        ":libstats_internal_protos",
         "cmds/am/proto/instrumentation_data.proto",
         "cmds/statsd/src/**/*.proto",
         "core/proto/**/*.proto",
         "libs/incident/proto/**/*.proto",
     ],
     proto: {
-        include_dirs: ["external/protobuf/src"],
+        include_dirs: [
+            "external/protobuf/src",
+            "frameworks/proto_logging/stats",
+        ],
         type: "full",
     },
     // Protos have lots of MissingOverride and similar.