CTS camera: Set camrecorder framerate to 24

As requred by CTS, 24 is the minimum.
This fixes the following two cases:
android.hardware.camera2.cts.RecordingTest#testBasicRecording
android.hardware.camera2.cts.RecordingTest#testRecordingFromPersistentSurface

Bug: 30034008
Test: ran camera CTS tests
Change-Id: Iadd340c30eab5f449834958f83561201810e86ad
(cherry picked from commit 075f1aa4544d2f3512c8612bd607107772228d38)
diff --git a/camera/media_profiles.xml b/camera/media_profiles.xml
index 57d68ab..a5970d0 100644
--- a/camera/media_profiles.xml
+++ b/camera/media_profiles.xml
@@ -84,7 +84,7 @@
                    bitRate="128000"
                    width="320"
                    height="240"
-                   frameRate="15" />
+                   frameRate="24" />
             <Audio codec="amrnb"
                    bitRate="12200"
                    sampleRate="8000"