Add a nice install paths for module SDKs and exports.

Following how NDK also creates its own install path.

Bug: 142935992
Test: cc_sdk_test.go, java_sdk_test.go
Change-Id: I98a3656903f37f6d7c90e6cf609431b2461a6161

sdk/sdk_test.go

@@ -205,3 +205,19 @@ sdk_snapshot {
 }
 `))
 }
+
+func TestSDkInstall(t *testing.T) {
+	sdk := `
+		sdk {
+			name: "mysdk",
+		}
+	`
+	result := testSdkWithFs(t, ``,
+		map[string][]byte{
+			"Android.bp": []byte(sdk),
+		})
+
+	result.CheckSnapshot("mysdk", "",
+		checkAllOtherCopyRules(`.intermediates/mysdk/common_os/mysdk-current.zip -> mysdk-current.zip`),
+	)
+}