Placeholder for binder freeze notification API.

Adding the placeholder APIs to validate whether this breaks existing
prebuilts.

Bug: 338097747
Change-Id: Id7357076ad98c1f220a78186fe509326047cf922
Test: m
diff --git a/libs/binder/BpBinder.cpp b/libs/binder/BpBinder.cpp
index 6594aa6..59c5be7 100644
--- a/libs/binder/BpBinder.cpp
+++ b/libs/binder/BpBinder.cpp
@@ -557,6 +557,14 @@
     }
 }
 
+status_t BpBinder::addFrozenStateChangeCallback(const wp<FrozenStateChangeCallback>&) {
+    return INVALID_OPERATION;
+}
+
+status_t BpBinder::removeFrozenStateChangeCallback(const wp<FrozenStateChangeCallback>&) {
+    return INVALID_OPERATION;
+}
+
 void BpBinder::reportOneDeath(const Obituary& obit)
 {
     sp<DeathRecipient> recipient = obit.recipient.promote();