Update language to comply with Android’s inclusive language guidance

See https://source.android.com/setup/contribute/respectful-code for
reference

Bug: 161896447
Bug: 161850439
Bug: 161336379
Test: m -j checkbuild cts docs tests
Change-Id: I32d869c274a5d9a3dac63221e25874fe685d38c4
diff --git a/compiler/optimizing/codegen_test.cc b/compiler/optimizing/codegen_test.cc
index f4f44a0..c0441b0 100644
--- a/compiler/optimizing/codegen_test.cc
+++ b/compiler/optimizing/codegen_test.cc
@@ -552,7 +552,7 @@
       HIntConstant* cst_rhs = graph->GetIntConstant(rhs[i]);
       HLessThan cmp_lt(cst_lhs, cst_rhs);
       if_block->AddInstruction(&cmp_lt);
-      // We insert a dummy instruction to separate the HIf from the HLessThan
+      // We insert a fake instruction to separate the HIf from the HLessThan
       // and force the materialization of the condition.
       HMemoryBarrier force_materialization(MemBarrierKind::kAnyAny, 0);
       if_block->AddInstruction(&force_materialization);
diff --git a/compiler/optimizing/graph_checker.cc b/compiler/optimizing/graph_checker.cc
index ece88a0..44de54e 100644
--- a/compiler/optimizing/graph_checker.cc
+++ b/compiler/optimizing/graph_checker.cc
@@ -63,7 +63,7 @@
 size_t GraphChecker::Run(bool pass_change, size_t last_size) {
   size_t current_size = GetGraph()->GetReversePostOrder().size();
   if (!pass_change) {
-    // Nothing changed for certain. Do a quick sanity check on that assertion
+    // Nothing changed for certain. Do a quick check of the validity on that assertion
     // for anything other than the first call (when last size was still 0).
     if (last_size != 0) {
       if (current_size != last_size) {
diff --git a/compiler/optimizing/register_allocator_test.cc b/compiler/optimizing/register_allocator_test.cc
index d1db40b..f635142 100644
--- a/compiler/optimizing/register_allocator_test.cc
+++ b/compiler/optimizing/register_allocator_test.cc
@@ -685,7 +685,7 @@
         RegisterAllocator::Create(GetScopedAllocator(), &codegen, liveness, strategy);
     register_allocator->AllocateRegisters();
 
-    // Sanity check that in normal conditions, the register should be hinted to 0 (EAX).
+    // Check the validity that in normal conditions, the register should be hinted to 0 (EAX).
     ASSERT_EQ(field->GetLiveInterval()->GetRegister(), 0);
   }
 
@@ -753,7 +753,7 @@
         RegisterAllocator::Create(GetScopedAllocator(), &codegen, liveness, strategy);
     register_allocator->AllocateRegisters();
 
-    // Sanity check that in normal conditions, the registers are the same.
+    // Check the validity that in normal conditions, the registers are the same.
     ASSERT_EQ(first_sub->GetLiveInterval()->GetRegister(), 1);
     ASSERT_EQ(second_sub->GetLiveInterval()->GetRegister(), 1);
   }