ledflasher: Removing brillo::Any from weaved's public APIs

Weaved replaces brillo::Any with base::Value in its client library,
so need to update clients.

Also this removes last D-Bus dependencies from ledflasher.

Bug: 26558300
Change-Id: I8265e06aca6f707dde6edbebeafe0b28b8eb17ff

src/ledflasher/Android.mk

@@ -30,11 +30,8 @@ LOCAL_SHARED_LIBRARIES := \
 	libbinderwrapper \
 	libbrillo \
 	libbrillo-binder \
-	libbrillo-dbus \
 	libbrillo-stream \
 	libchrome \
-	libchrome-dbus \
-	libdbus \
 	libutils \
 	libweaved \
 

src/ledflasher/ledflasher.cpp

@@ -274,10 +274,9 @@ void Daemon::UpdateDeviceState() {
   if (!weave_service)
     return;
 
-  brillo::VariantDictionary state_change{
-    {"_ledflasher.status", status_},
-    {"_ledflasher.leds", leds},
-  };
+  base::DictionaryValue state_change;
+  state_change.SetString("_ledflasher.status", status_);
+  state_change.Set("_ledflasher.leds", brillo::ToValue(leds).release());
   weave_service->SetStateProperties(kWeaveComponent, state_change, nullptr);
 }
 

src/ledflasher/ledflasher.rc

 service ledflasher /system/bin/ledflasher
    class late_start
    user system
-   group system dbus
+   group system