Merge "Support go 1.12"

package android

import (

	"fmt"

	"regexp"

	"runtime"

	"sort"

	"strings"

			panic("not called from an init func")

		}

		if funcName == "init" || strings.HasPrefix(funcName, "init·") {

		if funcName == "init" || strings.HasPrefix(funcName, "init·") ||

			strings.HasPrefix(funcName, "init.") {

			return

		}

	}

}

// A regex to find a package path within a function name. It finds the shortest string that is

// followed by '.' and doesn't have any '/'s left.

var pkgPathRe = regexp.MustCompile(`^(.*?)\.([^/]+)$`)

// callerName returns the package path and function name of the calling

// function.  The skip argument has the same meaning as the skip argument of

// runtime.Callers.

		return "", "", false

	}

	f := runtime.FuncForPC(pc[0])

	fullName := f.Name()

	lastDotIndex := strings.LastIndex(fullName, ".")

	if lastDotIndex == -1 {

		panic("unable to distinguish function name from package")

	f := runtime.FuncForPC(pc[0]).Name()

	s := pkgPathRe.FindStringSubmatch(f)

	if len(s) < 3 {

		panic(fmt.Errorf("failed to extract package path and function name from %q", f))

	}

	if fullName[lastDotIndex-1] == ')' {

		// The caller is a method on some type, so it's name looks like

		// "pkg/path.(type).method".  We need to go back one dot farther to get

		// to the package name.

		lastDotIndex = strings.LastIndex(fullName[:lastDotIndex], ".")

	}

	pkgPath = fullName[:lastDotIndex]

	funcName = fullName[lastDotIndex+1:]

	ok = true

	return

	return s[1], s[2], true

}

func GetNumericSdkVersion(v string) string {