Suppress bogus static analysis warnings.

* clang-analyzer-cplusplus.NewDelete and clang-analyzer-unix.Malloc
  could give wrong "Use of memory after it is freed" warnings.
* Delete old obsolet calls to ALOGV.

Test: make with WITH_TIDY=1
Change-Id: Ie7806c8d423b31e8b527b42ad15469d0b087edfa
diff --git a/media/libeffects/preprocessing/PreProcessing.cpp b/media/libeffects/preprocessing/PreProcessing.cpp
index f2844ed..b914f4b 100644
--- a/media/libeffects/preprocessing/PreProcessing.cpp
+++ b/media/libeffects/preprocessing/PreProcessing.cpp
@@ -889,7 +889,7 @@
         delete session->procFrame;
         session->procFrame = NULL;
         delete session->apm;
-        session->apm = NULL;
+        session->apm = NULL; // NOLINT(clang-analyzer-cplusplus.NewDelete)
     }
     return status;
 }