Add libbenchmark's new dependency on libbase.

See https://android-review.googlesource.com/150583

Change-Id: I6f9700b3e51a3b681d3d91b88103eed31764f61e
diff --git a/cc/cc.go b/cc/cc.go
index 99d4622..7f40066 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -1575,7 +1575,7 @@
 
 func (c *CCBenchmark) depNames(ctx common.AndroidBaseContext, depNames CCDeps) CCDeps {
 	depNames = c.CCBinary.depNames(ctx, depNames)
-	depNames.StaticLibs = append(depNames.StaticLibs, "libbenchmark")
+	depNames.StaticLibs = append(depNames.StaticLibs, "libbenchmark", "libbase")
 	return depNames
 }