Add testonly to Benchmarks BUILD files

Change-Id: I0d26368ae09a0364be2b63c4f26d4eefdd91d511
diff --git a/164.gzip/BUILD.gn b/164.gzip/BUILD.gn
index 723bfb7..fdb507b 100644
--- a/164.gzip/BUILD.gn
+++ b/164.gzip/BUILD.gn
@@ -3,6 +3,8 @@
 # found in the LICENSE file.
 
 executable("164.gzip") {
+  testonly = true
+
   sources = [
     "src/bits.c",
     "src/deflate.c",
diff --git a/175.vpr/BUILD.gn b/175.vpr/BUILD.gn
index 0110116..9fef507 100644
--- a/175.vpr/BUILD.gn
+++ b/175.vpr/BUILD.gn
@@ -3,6 +3,8 @@
 # found in the LICENSE file.
 
 executable("175.vpr") {
+  testonly = true
+
   sources = [
     "src/check_route.c",
     "src/check_rr_graph.c",
diff --git a/176.gcc/BUILD.gn b/176.gcc/BUILD.gn
index 09500a5..2b2f2cc 100644
--- a/176.gcc/BUILD.gn
+++ b/176.gcc/BUILD.gn
@@ -3,6 +3,8 @@
 # found in the LICENSE file.
 
 executable("176.gcc") {
+  testonly = true
+
   sources = [
     "src/bc-emit.c",
     "src/bc-optab.c",
diff --git a/177.mesa/BUILD.gn b/177.mesa/BUILD.gn
index a98cf15..1da5166 100644
--- a/177.mesa/BUILD.gn
+++ b/177.mesa/BUILD.gn
@@ -3,6 +3,8 @@
 # found in the LICENSE file.
 
 executable("177.mesa") {
+  testonly = true
+
   sources = [
     "src/accum.c",
     "src/alpha.c",
diff --git a/179.art/BUILD.gn b/179.art/BUILD.gn
index 45d3202..73cb368 100644
--- a/179.art/BUILD.gn
+++ b/179.art/BUILD.gn
@@ -3,6 +3,8 @@
 # found in the LICENSE file.
 
 executable("179.art") {
+  testonly = true
+
   sources = [
     "src/scanner.c",
   ]
diff --git a/181.mcf/BUILD.gn b/181.mcf/BUILD.gn
index ae421fc..82d8899 100644
--- a/181.mcf/BUILD.gn
+++ b/181.mcf/BUILD.gn
@@ -3,6 +3,8 @@
 # found in the LICENSE file.
 
 executable("181.mcf") {
+  testonly = true
+
   sources = [
     "src/implicit.c",
     "src/mcf.c",
diff --git a/183.equake/BUILD.gn b/183.equake/BUILD.gn
index 271adfb..00db45e 100644
--- a/183.equake/BUILD.gn
+++ b/183.equake/BUILD.gn
@@ -3,6 +3,8 @@
 # found in the LICENSE file.
 
 executable("183.equake") {
+  testonly = true
+
   sources = [
     "src/quake.c",
   ]
diff --git a/186.crafty/BUILD.gn b/186.crafty/BUILD.gn
index 37eb0f4..2648f5e 100644
--- a/186.crafty/BUILD.gn
+++ b/186.crafty/BUILD.gn
@@ -3,6 +3,8 @@
 # found in the LICENSE file.
 
 executable("186.crafty") {
+  testonly = true
+
   sources = [
     "src/attacks.c",
     "src/boolean.c",
diff --git a/188.ammp/BUILD.gn b/188.ammp/BUILD.gn
index 2115a09..d49354b 100644
--- a/188.ammp/BUILD.gn
+++ b/188.ammp/BUILD.gn
@@ -3,6 +3,8 @@
 # found in the LICENSE file.
 
 executable("188.ammp") {
+  testonly = true
+
   sources = [
     "src/ammp.c",
     "src/analyze.c",
diff --git a/252.eon/BUILD.gn b/252.eon/BUILD.gn
index d911526..5e4e4a3 100644
--- a/252.eon/BUILD.gn
+++ b/252.eon/BUILD.gn
@@ -3,6 +3,8 @@
 # found in the LICENSE file.
 
 executable("252.eon") {
+  testonly = true
+
   sources = [
     "src/eon.cc",
     "src/eonImageCalculator.cc",
diff --git a/BUILD.gn b/BUILD.gn
index 76e2dfe..a0c45f6 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -3,6 +3,8 @@
 # found in the LICENSE file.
 
 group("speccpu2000") {
+  testonly = true
+
   deps = [
     "164.gzip",
     "175.vpr",