move ramdump relate dumpstate to gs-common

Bug: 248428203
Test: adb bugreport
Change-Id: I19ffce8e883b3ab88eae1ff7373b35c0ed517aa9
diff --git a/ramdump/sepolicy/file_contexts b/ramdump/sepolicy/file_contexts
new file mode 100644
index 0000000..726f69d
--- /dev/null
+++ b/ramdump/sepolicy/file_contexts
@@ -0,0 +1,2 @@
+# dumpstate
+/vendor/bin/dump/dump_ramdump           u:object_r:dump_ramdump_exec:s0