Propagate min and max sdk versions to classpaths.proto configs.

These attributed define a range for dessert releases where the jars
should be active, and included in corresponding CLASSPATH varibles by
derive_classpath.

Bug: 190818041
Test: presubmit
Change-Id: Ieb9aef29657ad0694d48a63019f93faca2678252
Merged-In: Ieb9aef29657ad0694d48a63019f93faca2678252
(cherry picked from commit cca4ab762e)

java/platform_bootclasspath.go

@@ -68,7 +68,6 @@ type platformBootclasspathProperties struct {
 func platformBootclasspathFactory() android.SingletonModule {
 	m := &platformBootclasspathModule{}
 	m.AddProperties(&m.properties)
-	// TODO(satayev): split apex jars into separate configs.
 	initClasspathFragment(m, BOOTCLASSPATH)
 	android.InitAndroidArchModule(m, android.DeviceSupported, android.MultilibCommon)
 	return m