Fix support finding global variables.

The code was not properly getting the variable addresses and using
the offset and address fields of the .data section.

Fix all of that, and update the tests.

Bug: 145162678

Test: Unit tests pass.
Test: ./art/test/run-test --dex2oat-jobs 4 --host --prebuild --compact-dex-level fast --jit --no-relocate --runtime-option -Xcheck:jni  137-cfi
Test: ./art/test/testrunner/testrunner.py -t 137 --host
Change-Id: Ic61c4487334fd2273cda9c56eb1a3b525a03edb7
diff --git a/libunwindstack/tests/ElfFake.h b/libunwindstack/tests/ElfFake.h
index 832e64a..c33908d 100644
--- a/libunwindstack/tests/ElfFake.h
+++ b/libunwindstack/tests/ElfFake.h
@@ -97,6 +97,14 @@
 
   void FakeSetErrorAddress(uint64_t address) { last_error_.address = address; }
 
+  void FakeSetDataOffset(uint64_t offset) { data_offset_ = offset; }
+  void FakeSetDataVaddrStart(uint64_t vaddr) { data_vaddr_start_ = vaddr; }
+  void FakeSetDataVaddrEnd(uint64_t vaddr) { data_vaddr_end_ = vaddr; }
+
+  void FakeSetDynamicOffset(uint64_t offset) { dynamic_offset_ = offset; }
+  void FakeSetDynamicVaddrStart(uint64_t vaddr) { dynamic_vaddr_start_ = vaddr; }
+  void FakeSetDynamicVaddrEnd(uint64_t vaddr) { dynamic_vaddr_end_ = vaddr; }
+
  private:
   std::unordered_map<std::string, uint64_t> globals_;
   std::string fake_build_id_;