Benchmark tools: Android memtrack_helper meaningful errors.

tools/android/memtrack_helper/BUILD.gn

Index: tools/android/memtrack_helper/BUILD.gn
diff --git a/tools/android/memtrack_helper/BUILD.gn b/tools/android/memtrack_helper/BUILD.gn
index 5948cb575881606311dc6debcf87400bf5a595b1..e41a0c87240aa3a38846fd5de2511ee8db2be6ba 100644
--- a/tools/android/memtrack_helper/BUILD.gn
+++ b/tools/android/memtrack_helper/BUILD.gn
@@ -3,13 +3,14 @@
 # found in the LICENSE file.
 
 # Unwind tables create a dependency on libc++. By removing them
-# the final binary will not require anything more than libc and libdl.
+# the final binary will not require anything more than libc, libdl and liblog.
 # This makes its deployment easier in component=shared_library mode.
 config("android_binary_no_libcpp_config") {
   cflags = [
     "-fno-unwind-tables",
     "-fno-asynchronous-unwind-tables",
   ]
+  libs = [ "log" ]
 }
 
 executable("memtrack_helper") {