misc/cgo/testcshared: temporarily skip testing on android

For #21513

Change-Id: Ibe9479f8afc6f425779a737a807ff2f839a4f311
Reviewed-on: https://go-review.googlesource.com/57250
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
diff --git a/misc/cgo/testcshared/cshared_test.go b/misc/cgo/testcshared/cshared_test.go
index 57649a0..3c9a6dd 100644
--- a/misc/cgo/testcshared/cshared_test.go
+++ b/misc/cgo/testcshared/cshared_test.go
@@ -250,6 +250,9 @@
 
 // test0: exported symbols in shared lib are accessible.
 func TestExportedSymbols(t *testing.T) {
+	if GOOS == "android" {
+		t.Skip("Skipping failing test, see issue 21513 for details")
+	}
 	cmd := "testp"
 	bin := cmdToRun(cmd)
 
@@ -272,6 +275,9 @@
 
 // test1: shared library can be dynamically loaded and exported symbols are accessible.
 func TestExportedSymbolsWithDynamicLoad(t *testing.T) {
+	if GOOS == "android" {
+		t.Skip("Skipping failing test, see issue 21513 for details")
+	}
 	cmd := "testp"
 	bin := cmdToRun(cmd)
 
@@ -294,6 +300,9 @@
 
 // test2: tests libgo2 which does not export any functions.
 func TestUnexportedSymbols(t *testing.T) {
+	if GOOS == "android" {
+		t.Skip("Skipping failing test, see issue 21513 for details")
+	}
 	cmd := "testp2"
 	libname := "libgo2." + libSuffix
 	bin := cmdToRun(cmd)
@@ -333,6 +342,9 @@
 
 // test3: tests main.main is exported on android.
 func TestMainExportedOnAndroid(t *testing.T) {
+	if GOOS == "android" {
+		t.Skip("Skipping failing test, see issue 21513 for details")
+	}
 	if GOOS != "android" {
 		return
 	}
@@ -359,6 +371,9 @@
 
 // test4: test signal handlers
 func TestSignalHandlers(t *testing.T) {
+	if GOOS == "android" {
+		t.Skip("Skipping failing test, see issue 21513 for details")
+	}
 	cmd := "testp4"
 	libname := "libgo4." + libSuffix
 	bin := cmdToRun(cmd)
@@ -392,6 +407,9 @@
 
 // test5: test signal handlers with os/signal.Notify
 func TestSignalHandlersWithNotify(t *testing.T) {
+	if GOOS == "android" {
+		t.Skip("Skipping failing test, see issue 21513 for details")
+	}
 	cmd := "testp5"
 	libname := "libgo5." + libSuffix
 	bin := cmdToRun(cmd)
@@ -424,6 +442,9 @@
 }
 
 func TestPIE(t *testing.T) {
+	if GOOS == "android" {
+		t.Skip("Skipping failing test, see issue 21513 for details")
+	}
 	switch GOOS {
 	case "linux", "android":
 		break