update_engine: Run clang-format on update_manager/

BUG=none
TEST=unittest

Change-Id: I80b56209d757d1156dd5f55bdd758a1ae8388dcc
Reviewed-on: https://chromium-review.googlesource.com/1409707
Commit-Ready: Amin Hassani <ahassani@chromium.org>
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Sen Jiang <senj@chromium.org>
diff --git a/update_manager/variable_unittest.cc b/update_manager/variable_unittest.cc
index 144002a..fe40ce5 100644
--- a/update_manager/variable_unittest.cc
+++ b/update_manager/variable_unittest.cc
@@ -42,8 +42,7 @@
   ~DefaultVariable() override {}
 
  protected:
-  const T* GetValue(TimeDelta /* timeout */,
-                    string* /* errmsg */) override {
+  const T* GetValue(TimeDelta /* timeout */, string* /* errmsg */) override {
     return new T();
   }
 
@@ -53,9 +52,7 @@
 
 class UmBaseVariableTest : public ::testing::Test {
  protected:
-  void SetUp() override {
-    loop_.SetAsCurrent();
-  }
+  void SetUp() override { loop_.SetAsCurrent(); }
 
   brillo::FakeMessageLoop loop_{nullptr};
 };
@@ -87,9 +84,7 @@
 
 class BaseVariableObserver : public BaseVariable::ObserverInterface {
  public:
-  void ValueChanged(BaseVariable* variable) {
-    calls_.push_back(variable);
-  }
+  void ValueChanged(BaseVariable* variable) { calls_.push_back(variable); }
 
   // List of called functions.
   vector<BaseVariable*> calls_;