Bump version, update marking mode defaults

Author: Nathanael Anderson

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@nativescript/android",
   "description": "NativeScript Runtime for Android",
-  "version": "7.0.0-rc.4",
+  "version": "7.0.0-rc.5",
   "repository": {
     "type": "git",
     "url": "https://github.com/NativeScript/android-runtime.git"
@@ -11,7 +11,7 @@
   ],
   "gradle": {
     "version": "6.4",
-    "android": "3.6.3"
+    "android": "3.6.4"
   },
   "android_ndk_version": "21b",
   "publishConfig": {"tag":"next", "access": "public"}

test-app/runtime/src/main/java/com/tns/AppConfig.java

@@ -16,7 +16,7 @@ protected enum KnownKeys {
         MemoryCheckInterval("memoryCheckInterval", 0),
         FreeMemoryRatio("freeMemoryRatio", 0.0),
         Profiling("profiling", ""),
-        MarkingMode("markingMode", com.tns.MarkingMode.full),
+        MarkingMode("markingMode", com.tns.MarkingMode.none),
         HandleTimeZoneChanges("handleTimeZoneChanges", false),
         MaxLogcatObjectSize("maxLogcatObjectSize", 1024),
         ForceLog("forceLog", false),