Revert "Revert "Switch NDK libc++ from prebuilts/ndk to prebuilt..."

Revert submission 3198506-revert-3195358-ndk-libcxx-UOZAIZERUU

Reason for revert: reland topic

Reverted changes: /q/submissionid:3198506-revert-3195358-ndk-libcxx-UOZAIZERUU

Bug: http://b/332594828
Test: treehugger
Change-Id: I9c11fd697cd35bdd1d6b679cb2e2fff239de272c

cc/cc.go

@@ -1028,13 +1028,6 @@ func (c *Module) SelectedStl() string {
 	return ""
 }
 
-func (c *Module) NdkPrebuiltStl() bool {
-	if _, ok := c.linker.(*ndkPrebuiltStlLinker); ok {
-		return true
-	}
-	return false
-}
-
 func (c *Module) StubDecorator() bool {
 	if _, ok := c.linker.(*stubDecorator); ok {
 		return true
@@ -1088,16 +1081,6 @@ func (c *Module) CcLibraryInterface() bool {
 	return false
 }
 
-func (c *Module) IsNdkPrebuiltStl() bool {
-	if c.linker == nil {
-		return false
-	}
-	if _, ok := c.linker.(*ndkPrebuiltStlLinker); ok {
-		return true
-	}
-	return false
-}
-
 func (c *Module) RlibStd() bool {
 	panic(fmt.Errorf("RlibStd called on non-Rust module: %q", c.BaseModuleName()))
 }
@@ -2752,10 +2735,6 @@ func checkLinkType(ctx android.BaseModuleContext, from LinkableInterface, to Lin
 		return
 	}
 	if c, ok := to.(*Module); ok {
-		if c.NdkPrebuiltStl() {
-			// These are allowed, but they don't set sdk_version
-			return
-		}
 		if c.StubDecorator() {
 			// These aren't real libraries, but are the stub shared libraries that are included in
 			// the NDK.
@@ -3925,7 +3904,6 @@ const (
 	headerLibrary
 	testBin // testBinary already declared
 	ndkLibrary
-	ndkPrebuiltStl
 )
 
 func (c *Module) typ() moduleType {
@@ -3964,8 +3942,6 @@ func (c *Module) typ() moduleType {
 		return sharedLibrary
 	} else if c.isNDKStubLibrary() {
 		return ndkLibrary
-	} else if c.IsNdkPrebuiltStl() {
-		return ndkPrebuiltStl
 	}
 	return unknownType
 }