Add SharedRingBuffer

Change-Id: Ief02a8f8a10d5d0a81cca03ce2864fb4cc744ba8
diff --git a/Android.bp b/Android.bp
index d22e64c..4b1d646 100644
--- a/Android.bp
+++ b/Android.bp
@@ -2609,6 +2609,8 @@
     "src/profiling/memory/record_reader_unittest.cc",
     "src/profiling/memory/sampler.cc",
     "src/profiling/memory/sampler_unittest.cc",
+    "src/profiling/memory/shared_ring_buffer.cc",
+    "src/profiling/memory/shared_ring_buffer_unittest.cc",
     "src/profiling/memory/socket_listener.cc",
     "src/profiling/memory/socket_listener_unittest.cc",
     "src/profiling/memory/system_property.cc",