Replace *Escape with *EscapeList

Follow the change to blueprint to make *Escape take and return a string
and add *EscapeList that take and return slices of strings.  Fix up
a few places that were unnecessarily converting a string to a slice
and back to a string.

Test: m nothing
Change-Id: I3fa87de175522205f36544ef76aa2f04aef1b936

java/java.go

@@ -1152,7 +1152,7 @@ func (j *Module) compile(ctx android.ModuleContext, extraSrcJars ...android.Path
 			Output:    servicesJar,
 			Implicits: services,
 			Args: map[string]string{
-				"jarArgs": "-P META-INF/services/ " + strings.Join(proptools.NinjaAndShellEscape(zipargs), " "),
+				"jarArgs": "-P META-INF/services/ " + strings.Join(proptools.NinjaAndShellEscapeList(zipargs), " "),
 			},
 		})
 		jars = append(jars, servicesJar)