Start using blueprint_go_binary

And install the tools into a more obvious location. soong_env is not
moved, since we need it to exist early, so that we can use it in
soong.bash in case there's a build failure.

Change-Id: I9bd1fa320d84d180b2cf3deb90782d380666f7a6

android/glob.go

@@ -39,7 +39,7 @@ import (
 // in a build failure with a "missing and no known rule to make it" error.
 
 var (
-	globCmd = filepath.Join("${bootstrap.BinDir}", "soong_glob")
+	globCmd = filepath.Join("${bootstrap.ToolDir}", "soong_glob")
 
 	// globRule rule traverses directories to produce a list of files that match $glob
 	// and writes it to $out if it has changed, and writes the directories to $out.d