Created a basic public interface for SharedMemoryArbiter to allow public transport layers

Change-Id: I4391bdb55144998e05f1df2a29775a9725d9bd65
diff --git a/Android.bp b/Android.bp
index d77c2ed..d487b4a 100644
--- a/Android.bp
+++ b/Android.bp
@@ -56,7 +56,7 @@
     "src/tracing/core/id_allocator.cc",
     "src/tracing/core/service_impl.cc",
     "src/tracing/core/shared_memory_abi.cc",
-    "src/tracing/core/shared_memory_arbiter.cc",
+    "src/tracing/core/shared_memory_arbiter_impl.cc",
     "src/tracing/core/trace_config.cc",
     "src/tracing/core/trace_packet.cc",
     "src/tracing/core/trace_writer_impl.cc",
@@ -684,7 +684,7 @@
     "src/tracing/core/id_allocator.cc",
     "src/tracing/core/service_impl.cc",
     "src/tracing/core/shared_memory_abi.cc",
-    "src/tracing/core/shared_memory_arbiter.cc",
+    "src/tracing/core/shared_memory_arbiter_impl.cc",
     "src/tracing/core/trace_config.cc",
     "src/tracing/core/trace_packet.cc",
     "src/tracing/core/trace_writer_impl.cc",
@@ -802,8 +802,8 @@
     "src/tracing/core/service_impl_unittest.cc",
     "src/tracing/core/shared_memory_abi.cc",
     "src/tracing/core/shared_memory_abi_unittest.cc",
-    "src/tracing/core/shared_memory_arbiter.cc",
-    "src/tracing/core/shared_memory_arbiter_unittest.cc",
+    "src/tracing/core/shared_memory_arbiter_impl.cc",
+    "src/tracing/core/shared_memory_arbiter_impl_unittest.cc",
     "src/tracing/core/trace_config.cc",
     "src/tracing/core/trace_packet.cc",
     "src/tracing/core/trace_packet_unittest.cc",