Camera: Propagate all offline stream ids to clients

Camera clients must be aware of any configured streams
that can support offline processing mode.
A few corner cases that need to be considered:
 - Composite streams can support offline mode only
   when all internal streams support it as well.
 - Streams that use the internal camera buffer manager
   will not have support for offline mode.
 - Shared streams are also unsupported in offline mode.

Bug: 135142453
Test: Camera CTS
Change-Id: Idde826a6fb18a8907850e87cfe593de7cb1c5f4a
diff --git a/services/camera/libcameraservice/device3/Camera3SharedOutputStream.h b/services/camera/libcameraservice/device3/Camera3SharedOutputStream.h
index b5e37c2..e645e05 100644
--- a/services/camera/libcameraservice/device3/Camera3SharedOutputStream.h
+++ b/services/camera/libcameraservice/device3/Camera3SharedOutputStream.h
@@ -65,6 +65,12 @@
             const std::vector<size_t> &removedSurfaceIds,
             KeyedVector<sp<Surface>, size_t> *outputMap/*out*/);
 
+    virtual bool getOfflineProcessingSupport() const {
+        // As per Camera spec. shared streams currently do not support
+        // offline mode.
+        return false;
+    }
+
 private:
 
     static const size_t kMaxOutputs = 4;