Revert "Remove implict jni.h include path"

This reverts commit e68926d4d3b8f954d8727350872c6c0018208fa5.

Reason for revert: breaks build in various -plus-aosp branches
Bug: 158293810

Change-Id: I80572f673df83161be02873b2b2acf4b2ba9a2d4
Exempt-From-Owner-Approval: revert
diff --git a/cc/compiler.go b/cc/compiler.go
index e7495da..681b1ab 100644
--- a/cc/compiler.go
+++ b/cc/compiler.go
@@ -300,7 +300,8 @@
 	if !(ctx.useSdk() || ctx.useVndk()) || ctx.Host() {
 		flags.SystemIncludeFlags = append(flags.SystemIncludeFlags,
 			"${config.CommonGlobalIncludes}",
-			tc.IncludeFlags())
+			tc.IncludeFlags(),
+			"${config.CommonNativehelperInclude}")
 	}
 
 	if ctx.useSdk() {