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_arm64.cc b/compiler/optimizing/code_generator_arm64.cc
index 25eadcd..0a28f65 100644
--- a/compiler/optimizing/code_generator_arm64.cc
+++ b/compiler/optimizing/code_generator_arm64.cc
@@ -4350,7 +4350,7 @@
     // Add ADD with its PC-relative type patch.
     vixl::aarch64::Label* add_label = NewBootImageIntrinsicPatch(boot_image_reference, adrp_label);
     EmitAddPlaceholder(add_label, reg.X(), reg.X());
-  } else if (Runtime::Current()->IsAotCompiler()) {
+  } else if (GetCompilerOptions().GetCompilePic()) {
     // Add ADRP with its PC-relative .data.bimg.rel.ro patch.
     vixl::aarch64::Label* adrp_label = NewBootImageRelRoPatch(boot_image_reference);
     EmitAdrpPlaceholder(adrp_label, reg.X());