condition dimension query.

Test: Modified the metric link test to query a subset of the predicate/condition dimensions.

Change-Id: I693f14e0b11693fc8ee0bf4fc550977c20d31f71
diff --git a/cmds/statsd/src/dimension.cpp b/cmds/statsd/src/dimension.cpp
index 09499b6..bb7a044 100644
--- a/cmds/statsd/src/dimension.cpp
+++ b/cmds/statsd/src/dimension.cpp
@@ -331,13 +331,15 @@
         case DimensionsValue::ValueCase::kValueFloat:
             return dimension.value_float() == sub.value_float();
         case DimensionsValue::ValueCase::kValueTuple: {
-            if (dimension.value_tuple().dimensions_value_size() < sub.value_tuple().dimensions_value_size()) {
+            if (dimension.value_tuple().dimensions_value_size() <
+                sub.value_tuple().dimensions_value_size()) {
                 return false;
             }
             bool allSub = true;
-            for (int i = 0; i < sub.value_tuple().dimensions_value_size(); ++i) {
+            for (int i = 0; allSub && i < sub.value_tuple().dimensions_value_size(); ++i) {
                 bool isSub = false;
-                for (int j = 0; !isSub && j < dimension.value_tuple().dimensions_value_size(); ++j) {
+                for (int j = 0; !isSub &&
+                        j < dimension.value_tuple().dimensions_value_size(); ++j) {
                     isSub |= IsSubDimension(dimension.value_tuple().dimensions_value(j),
                                             sub.value_tuple().dimensions_value(i));
                 }