Add a button to open in android studio.

build.zig

@@ -257,6 +257,19 @@ pub fn build(b: *std.Build) void {
     });
     test_step.dependOn(&b.addRunArtifact(store_tests).step);
 
+    // Only the path rule is tested: finding and running a launcher is the
+    // machine's business, and the rule is what keeps the page from opening a
+    // file outside the review.
+    const studio_tests = b.addTest(.{
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/review/studio.zig"),
+            .target = target,
+            .optimize = optimize,
+            .link_libc = true,
+        }),
+    });
+    test_step.dependOn(&b.addRunArtifact(studio_tests).step);
+
     // The mute rules are their own root. Whether a tab is silent at this instant,
     // and what its row menu says about that, is arithmetic on a deadline — and
     // it is the half of notifications that can be wrong without anyone noticing,