Add methods to get or set camera parameters

This change adds new methods to set and get camera parameters.  As the
vendor may handle a parameter set request with invalid value, a set
method returns an effective value with a status code.

Bug: 138328396
Test: VTS
Change-Id: I278dad6c285fb9b341be3517cde09359da14cda6
Signed-off-by: Changyeon Jo <changyeon@google.com>
diff --git a/automotive/evs/1.1/IEvsCameraStream.hal b/automotive/evs/1.1/IEvsCameraStream.hal
index cd058a5..7c7f832 100644
--- a/automotive/evs/1.1/IEvsCameraStream.hal
+++ b/automotive/evs/1.1/IEvsCameraStream.hal
@@ -19,7 +19,7 @@
 import @1.0::IEvsCameraStream;
 
 /**
- * Implemented on client side to receive asynchronous video frame deliveries.
+ * Implemented on client side to receive asynchronous streaming event deliveries.
  */
 interface IEvsCameraStream extends @1.0::IEvsCameraStream {
     /**