ART: Completely remove the --compile-pic option.

And the PIC-related fields from image header.

Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Test: Pixel 2 XL boots.
Test: testrunner.py --target --optimizing
Bug: 77856493
Change-Id: I3787369378f12d8cd9003bebeae62830a67def33
diff --git a/compiler/optimizing/code_generator_arm_vixl.cc b/compiler/optimizing/code_generator_arm_vixl.cc
index 130ccf3..8bd4af5 100644
--- a/compiler/optimizing/code_generator_arm_vixl.cc
+++ b/compiler/optimizing/code_generator_arm_vixl.cc
@@ -8914,7 +8914,7 @@
     CodeGeneratorARMVIXL::PcRelativePatchInfo* labels =
         NewBootImageIntrinsicPatch(boot_image_reference);
     EmitMovwMovtPlaceholder(labels, reg);
-  } else if (Runtime::Current()->IsAotCompiler()) {
+  } else if (GetCompilerOptions().GetCompilePic()) {
     CodeGeneratorARMVIXL::PcRelativePatchInfo* labels =
         NewBootImageRelRoPatch(boot_image_reference);
     EmitMovwMovtPlaceholder(labels, reg);