Add missing micro_context dependency (#2462)

BUG=cleanup

tensorflow/lite/micro/tools/benchmarking/BUILD

diff --git a/tensorflow/lite/micro/tools/benchmarking/BUILD b/tensorflow/lite/micro/tools/benchmarking/BUILD
index 22cbd01..1c3ebd4 100644
--- a/tensorflow/lite/micro/tools/benchmarking/BUILD
+++ b/tensorflow/lite/micro/tools/benchmarking/BUILD
@@ -25,6 +25,7 @@
         ":op_resolver",
         "//tensorflow/lite/c:c_api_types",
         "//tensorflow/lite/c:common",
+        "//tensorflow/lite/micro:micro_context",
         "//tensorflow/lite/micro:micro_log",
         "//tensorflow/lite/micro:micro_profiler",
         "//tensorflow/lite/micro:op_resolvers",