ART: Adds an entrypoint for invoke-custom

Add support for the compiler to call into the runtime for
invoke-custom bytecodes.

Bug: 35337872
Test: art/test.py --host -r -t 952
Test: art/test.py --target --64 -r -t 952
Test: art/test.py --target --32 -r -t 952
Change-Id: I821432e7e5248c91b8e1d36c3112974c34171803
diff --git a/compiler/utils/assembler_thumb_test_expected.cc.inc b/compiler/utils/assembler_thumb_test_expected.cc.inc
index 19c405e..e76e98a 100644
--- a/compiler/utils/assembler_thumb_test_expected.cc.inc
+++ b/compiler/utils/assembler_thumb_test_expected.cc.inc
@@ -153,7 +153,7 @@
   " 21c:	f8d9 8034 	ldr.w	r8, [r9, #52]	; 0x34\n",
   " 220:	4770      	bx	lr\n",
   " 222:	4660      	mov	r0, ip\n",
-  " 224:	f8d9 c2cc 	ldr.w	ip, [r9, #716]	; 0x2cc\n",
+  " 224:	f8d9 c2d0 	ldr.w	ip, [r9, #720]	; 0x2d0\n",
   " 228:	47e0      	blx	ip\n",
   nullptr
 };