Add OWNERS file for FrameTracer

Adding the OWNERS file to direct FrameTracer changes to the correct
person.

Test: Nil
Bug: 148689885
Change-Id: Ib66a1d84473d2ae26aaa3799d13123f3c70bcaf3
diff --git a/services/surfaceflinger/FrameTracer/OWNERS b/services/surfaceflinger/FrameTracer/OWNERS
new file mode 100644
index 0000000..e4f5d45
--- /dev/null
+++ b/services/surfaceflinger/FrameTracer/OWNERS
@@ -0,0 +1 @@
+adsrini@google.com