feat: added golistflags

cmd/gomobile/bind.go

@@ -63,10 +63,14 @@ For -target android, the -bootclasspath and -classpath flags are used to
 control the bootstrap classpath and the classpath for Go wrappers to Java
 classes.
 
+The -golistflags flag passes args to the go list command. 
+Example: -golistflags="-mod=readonly"
+
 The -v flag provides verbose output, including the list of packages built.
 
-The build flags -a, -n, -x, -gcflags, -ldflags, -tags, -trimpath, and -work
-are shared with the build command. For documentation, see 'go help build'.
+The build flags -a, -n, -x, -gcflags, -ldflags, -tags, 
+-trimpath, and -work are shared with the build command. For documentation, 
+see 'go help build'.
 `,
 }
 
@@ -231,9 +235,10 @@ func getModuleVersions(targetPlatform string, targetArch string, src string) (*m
 	cmd.Env = append(os.Environ(), "GOOS="+platformOS(targetPlatform), "GOARCH="+targetArch)
 
 	tags := append(buildTags[:], platformTags(targetPlatform)...)
+	golistflags := buildGoListFlags
 
 	// TODO(hyangah): probably we don't need to add all the dependencies.
-	cmd.Args = append(cmd.Args, "-m", "-json", "-tags="+strings.Join(tags, ","), "all")
+	cmd.Args = append(cmd.Args, golistflags, "-m", "-json", "-tags="+strings.Join(tags, ","), "all")
 	cmd.Dir = src
 
 	output, err := cmd.Output()

cmd/gomobile/build.go

@@ -233,27 +233,29 @@ func printcmd(format string, args ...interface{}) {
 
 // "Build flags", used by multiple commands.
 var (
-	buildA          bool        // -a
-	buildI          bool        // -i
-	buildN          bool        // -n
-	buildV          bool        // -v
-	buildX          bool        // -x
-	buildO          string      // -o
-	buildGcflags    string      // -gcflags
-	buildLdflags    string      // -ldflags
-	buildTarget     string      // -target
-	buildTrimpath   bool        // -trimpath
-	buildWork       bool        // -work
-	buildBundleID   string      // -bundleid
-	buildIOSVersion string      // -iosversion
-	buildAndroidAPI int         // -androidapi
-	buildTags       stringsFlag // -tags
+	buildA           bool        // -a
+	buildI           bool        // -i
+	buildN           bool        // -n
+	buildV           bool        // -v
+	buildX           bool        // -x
+	buildO           string      // -o
+	buildGcflags     string      // -gcflags
+	buildLdflags     string      // -ldflags
+	buildTarget      string      // -target
+	buildTrimpath    bool        // -trimpath
+	buildWork        bool        // -work
+	buildBundleID    string      // -bundleid
+	buildIOSVersion  string      // -iosversion
+	buildAndroidAPI  int         // -androidapi
+	buildTags        stringsFlag // -tags
+	buildGoListFlags string      // -golistflags
 )
 
 func addBuildFlags(cmd *command) {
 	cmd.flag.StringVar(&buildO, "o", "", "")
 	cmd.flag.StringVar(&buildGcflags, "gcflags", "", "")
 	cmd.flag.StringVar(&buildLdflags, "ldflags", "", "")
+	cmd.flag.StringVar(&buildGoListFlags, "golistflags", "", "")
 	cmd.flag.StringVar(&buildTarget, "target", "android", "")
 	cmd.flag.StringVar(&buildBundleID, "bundleid", "", "")
 	cmd.flag.StringVar(&buildIOSVersion, "iosversion", "13.0", "")