base: fix out of date documentation with PropertySet()
As of Android-P, __system_property_set() is synchronous and only will
return '0' if the property was successfully set.
Test: n/a
Change-Id: Icbc0a6d8be1ae683565f378c534ea8e5c5f25357
diff --git a/base/include/android-base/properties.h b/base/include/android-base/properties.h
index 31e5273..31823df 100644
--- a/base/include/android-base/properties.h
+++ b/base/include/android-base/properties.h
@@ -49,9 +49,6 @@
T max = std::numeric_limits<T>::max());
// Sets the system property `key` to `value`.
-// Note that system property setting is inherently asynchronous so a return value of `true`
-// isn't particularly meaningful, and immediately reading back the value won't necessarily
-// tell you whether or not your call succeeded. A `false` return value definitely means failure.
bool SetProperty(const std::string& key, const std::string& value);
// Waits for the system property `key` to have the value `expected_value`.