Increase memory for Javadoc.

sdk builds continue breaking for out of memory..

Change-Id: Ie056241309f0303cdd4857cfb1421996811b1a8a
diff --git a/core/droiddoc.mk b/core/droiddoc.mk
index 03ffa55..e955a37 100644
--- a/core/droiddoc.mk
+++ b/core/droiddoc.mk
@@ -156,7 +156,7 @@
 		LD_LIBRARY_PATH=$(HOST_OUT_SHARED_LIBRARIES) \
 		javadoc \
                 \@$(PRIVATE_SRC_LIST_FILE) \
-                -J-Xmx768m \
+                -J-Xmx1024m \
                 -J-Djava.library.path=$(HOST_OUT_SHARED_LIBRARIES) \
                 $(PRIVATE_PROFILING_OPTIONS) \
                 -quiet \
@@ -196,7 +196,7 @@
 		javadoc \
                 $(PRIVATE_DROIDDOC_OPTIONS) \
                 \@$(PRIVATE_SRC_LIST_FILE) \
-                -J-Xmx768m \
+                -J-Xmx1024m \
                 $(PRIVATE_PROFILING_OPTIONS) \
                 $(addprefix -classpath ,$(PRIVATE_CLASSPATH)) \
                 -sourcepath $(PRIVATE_SOURCE_PATH)$(addprefix :,$(PRIVATE_CLASSPATH)) \