Simplify platformprotos

Add atom enums & messages into libstats_internal_protos and remove them
from the srcs of platformprotos

Bug: 282129591
Test: m platformprotos
Change-Id: I442822184ae02429337ff903db630028902d4d4f

ProtoLibraries.bp

@@ -81,8 +81,6 @@ java_library_host {
     name: "platformprotos",
     srcs: [
         ":ipconnectivity-proto-src",
-        ":libstats_atom_enum_protos",
-        ":libstats_atom_message_protos",
         ":libstats_internal_protos",
         ":statsd_internal_protos",
         "cmds/am/proto/instrumentation_data.proto",

TestProtoLibraries.bp

@@ -15,8 +15,6 @@
 java_library_host {
     name: "platformtestprotos",
     srcs: [
-        ":libstats_atom_enum_protos",
-        ":libstats_atom_message_protos",
         ":libstats_internal_protos",
         ":statsd_internal_protos",
     ],