Default jdwpOptions to suspend=n,server=y

These options are basically required to actually attach a JDWP debugger
so we might as well have them set by default.

Change-Id: I1a3c45d61c53c20bfb1367c82510e2fe972099d9
Test: Treehugger
Bug: https://github.com/android/ndk/issues/933
diff --git a/runtime/runtime_options.def b/runtime/runtime_options.def
index cda03a9..6aec33c 100644
--- a/runtime/runtime_options.def
+++ b/runtime/runtime_options.def
@@ -44,7 +44,7 @@
 RUNTIME_OPTIONS_KEY (std::string,         Image)
 RUNTIME_OPTIONS_KEY (Unit,                CheckJni)
 RUNTIME_OPTIONS_KEY (Unit,                JniOptsForceCopy)
-RUNTIME_OPTIONS_KEY (std::string,         JdwpOptions, "")
+RUNTIME_OPTIONS_KEY (std::string,         JdwpOptions,                    "suspend=n,server=y")
 RUNTIME_OPTIONS_KEY (JdwpProvider,        JdwpProvider,                   JdwpProvider::kUnset)
 RUNTIME_OPTIONS_KEY (MemoryKiB,           MemoryMaximumSize,              gc::Heap::kDefaultMaximumSize)  // -Xmx
 RUNTIME_OPTIONS_KEY (MemoryKiB,           MemoryInitialSize,              gc::Heap::kDefaultInitialSize)  // -Xms