Fix a memory leak

`if (index != 1)` below, we'd leak this memory.

Caught by the static analyzer:

frameworks/av/media/libmedia/MediaProfiles.cpp:573:21: warning:
Potential leak of memory pointed to by 'profile'
[clang-analyzer-cplusplus.NewDeleteLeaks]

Bug: None
Test: Ran the analyzer again.
Change-Id: I3a8641358294a2d405cdf4d00fb1af86d893f9dc
diff --git a/media/libmedia/MediaProfiles.cpp b/media/libmedia/MediaProfiles.cpp
index aade69a..e0f5a40 100644
--- a/media/libmedia/MediaProfiles.cpp
+++ b/media/libmedia/MediaProfiles.cpp
@@ -546,8 +546,8 @@
 
             if (info->mHasRefProfile) {
 
-                CamcorderProfile *profile =
-                    new CamcorderProfile(
+                std::unique_ptr<CamcorderProfile> profile =
+                    std::make_unique<CamcorderProfile>(
                             *mCamcorderProfiles[info->mRefProfileIndex]);
 
                 // Overwrite the quality
@@ -581,7 +581,7 @@
                         mCamcorderProfiles[info->mRefProfileIndex]->mQuality,
                         profile->mQuality, cameraId);
 
-                mCamcorderProfiles.add(profile);
+                mCamcorderProfiles.add(profile.release());
             }
         }
     }