Rename BlockedStatusInt.blocked to .reason

It's a reason, so it's a lot clearer this way

Bug: 157405399
Test: ConnectivityServiceTest NetworkStaticLibTests
Change-Id: Id71d710a33b4df3c211e40141adb2aa0a535f458
diff --git a/staticlibs/testutils/devicetests/com/android/testutils/TestableNetworkCallback.kt b/staticlibs/testutils/devicetests/com/android/testutils/TestableNetworkCallback.kt
index 4f0f1db..71f40ec 100644
--- a/staticlibs/testutils/devicetests/com/android/testutils/TestableNetworkCallback.kt
+++ b/staticlibs/testutils/devicetests/com/android/testutils/TestableNetworkCallback.kt
@@ -83,7 +83,7 @@
         ) : CallbackEntry()
         data class BlockedStatusInt(
             override val network: Network,
-            val blocked: Int
+            val reason: Int
         ) : CallbackEntry()
         // Convenience constants for expecting a type
         companion object {
@@ -448,11 +448,11 @@
         net: Network,
         suspended: Boolean,
         validated: Boolean,
-        blockedStatus: Int,
+        blockedReason: Int,
         tmt: Long
     ) {
         expectAvailableCallbacksCommon(net, suspended, validated, tmt)
-        expect<BlockedStatusInt>(net) { it.blocked == blockedStatus }
+        expect<BlockedStatusInt>(net) { it.reason == blockedReason }
     }
 
     private fun expectAvailableCallbacksCommon(
@@ -500,11 +500,11 @@
 
     fun expectAvailableThenValidatedCallbacks(
         net: Network,
-        blockedStatus: Int,
+        blockedReason: Int,
         tmt: Long = defaultTimeoutMs
     ) {
         expectAvailableCallbacks(net, validated = false, suspended = false,
-                blockedStatus = blockedStatus, tmt = tmt)
+                blockedReason = blockedReason, tmt = tmt)
         expectCaps(net, tmt) { it.hasCapability(NET_CAPABILITY_VALIDATED) }
     }