add a supportsUploading flag in the SyncAdapter description and honor it in the SyncManager

api/current.xml

@@ -7489,6 +7489,17 @@
  visibility="public"
 >
 </field>
+<field name="supportsUploading"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="16843410"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
 <field name="syncable"
  type="int"
  transient="false"
@@ -36124,6 +36135,8 @@
 </parameter>
 <parameter name="userVisible" type="boolean">
 </parameter>
+<parameter name="supportsUploading" type="boolean">
+</parameter>
 </constructor>
 <constructor name="SyncAdapterType"
  type="android.content.SyncAdapterType"
@@ -36146,6 +36159,17 @@
  visibility="public"
 >
 </method>
+<method name="isUserVisible"
+ return="boolean"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</method>
 <method name="newKey"
  return="android.content.SyncAdapterType"
  abstract="false"
@@ -36161,6 +36185,17 @@
 <parameter name="accountType" type="java.lang.String">
 </parameter>
 </method>
+<method name="supportsUploading"
+ return="boolean"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</method>
 <method name="writeToParcel"
  return="void"
  abstract="false"
@@ -36206,7 +36241,7 @@
  visibility="public"
 >
 </field>
-<field name="userVisible"
+<field name="isKey"
  type="boolean"
  transient="false"
  volatile="false"