Add comment about @SensitiveData and backwards compatibility
Test: m
Bug: none
Change-Id: I867cafd9738715e2be6c08b7859aa36797aee7de
diff --git a/aidl_checkapi.cpp b/aidl_checkapi.cpp
index 584e5a6..039c01b 100644
--- a/aidl_checkapi.cpp
+++ b/aidl_checkapi.cpp
@@ -74,6 +74,12 @@
// - a new implementation might change so that it no longer returns null
// values (remove @nullable)
// - a new implementation might start accepting null values (add @nullable)
+ //
+ // AidlAnnotation::Type::SENSITIVE_DATA could be ignored for backwards
+ // compatibility, but is not. It should retroactively be applied to the
+ // older versions of the interface. When doing that, we need
+ // to add the new hash to the older versions after the change using
+ // tools/aidl/build/hash_gen.sh.
static const set<AidlAnnotation::Type> kIgnoreAnnotations{
AidlAnnotation::Type::NULLABLE,
// @JavaDerive doesn't affect read/write
