drm_hwcomposer: Use ALOG_IF to simplify logging

Prefer ALOG_IF rather than if(...) { ALOG() } to reduce nesting
and simplify the code.

Change-Id: I48e9ad952d7ecf5c60c274a056772029f4cd65c6
Signed-off-by: Drew Davenport <ddavenport@google.com>
diff --git a/hwc2_device/HwcDisplay.cpp b/hwc2_device/HwcDisplay.cpp
index 7559835..159314c 100644
--- a/hwc2_device/HwcDisplay.cpp
+++ b/hwc2_device/HwcDisplay.cpp
@@ -614,9 +614,7 @@
   }
 
   if (!current_plan_) {
-    if (!a_args.test_only) {
-      ALOGE("Failed to create DrmKmsPlan");
-    }
+    ALOGE_IF(!a_args.test_only, "Failed to create DrmKmsPlan");
     return HWC2::Error::BadConfig;
   }
 
@@ -625,8 +623,7 @@
   auto ret = GetPipe().atomic_state_manager->ExecuteAtomicCommit(a_args);
 
   if (ret) {
-    if (!a_args.test_only)
-      ALOGE("Failed to apply the frame composition ret=%d", ret);
+    ALOGE_IF(!a_args.test_only, "Failed to apply the frame composition ret=%d", ret);
     return HWC2::Error::BadParameter;
   }