Change RegsTmpl to RegsImpl.

Also clang-format modified Regs.cpp slightly.

Bug: 23762183

Test: Built and ran unit tests.
Change-Id: I1c7c1b01974ee3f35059c42b8e2aef24d46c81a7
diff --git a/libunwindstack/DwarfSection.cpp b/libunwindstack/DwarfSection.cpp
index 0148ffb..4c98aa3 100644
--- a/libunwindstack/DwarfSection.cpp
+++ b/libunwindstack/DwarfSection.cpp
@@ -86,7 +86,7 @@
 template <typename AddressType>
 bool DwarfSectionImpl<AddressType>::Eval(const DwarfCie* cie, Memory* regular_memory,
                                          const dwarf_loc_regs_t& loc_regs, Regs* regs) {
-  RegsTmpl<AddressType>* cur_regs = reinterpret_cast<RegsTmpl<AddressType>*>(regs);
+  RegsImpl<AddressType>* cur_regs = reinterpret_cast<RegsImpl<AddressType>*>(regs);
   if (cie->return_address_register >= cur_regs->total_regs()) {
     last_error_ = DWARF_ERROR_ILLEGAL_VALUE;
     return false;