Add explicit Result::ok() checks where needed

Test: m checkbuild continuous_instrumentation_tests continuous_instrumentation_tests_api_coverage continuous_native_tests device-tests platform_tests
Exempt-From-Owner-Approval: mechanical mass refactoring
Change-Id: I698a6843686810527d753d075f543f1d6e1eb1f4
diff --git a/libs/input/KeyCharacterMap.cpp b/libs/input/KeyCharacterMap.cpp
index 5666de6..44f3f34 100644
--- a/libs/input/KeyCharacterMap.cpp
+++ b/libs/input/KeyCharacterMap.cpp
@@ -154,7 +154,7 @@
     }
     std::unique_ptr<Tokenizer> t(tokenizer);
     auto ret = load(t.get(), format);
-    if (ret) {
+    if (ret.ok()) {
         (*ret)->mLoadFileName = filename;
     }
     return ret;
@@ -170,7 +170,7 @@
     }
     std::unique_ptr<Tokenizer> t(tokenizer);
     auto ret = load(t.get(), format);
-    if (ret) {
+    if (ret.ok()) {
         (*ret)->mLoadFileName = filename;
     }
     return ret;