move gxp dump to gs-common

Bug: 240530709
Test: adb bugreport;unzip *zip;tar -xvf dumpstate_board.bin
And found gxp content

Change-Id: I27b54b283609cf574796d706da0450802dc601a3
diff --git a/gxp/Android.bp b/gxp/Android.bp
new file mode 100644
index 0000000..f3683fc
--- /dev/null
+++ b/gxp/Android.bp
@@ -0,0 +1,19 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_binary {
+    name: "dump_gxp",
+    srcs: ["dump_gxp.cpp"],
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+    ],
+    shared_libs: [
+        "libbase",
+	"libdump",
+    ],
+    vendor: true,
+    relative_install_path: "dump",
+}