Improve dumpsys for capture threads

Show per-track sample rate, and whether there is a fast capture thread

Change-Id: If6a08a40d1eeba0690aa8da3c541f845ec101b7f
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index cacb066..eb3e6b4 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -1987,12 +1987,12 @@
 
 /*static*/ void AudioFlinger::RecordThread::RecordTrack::appendDumpHeader(String8& result)
 {
-    result.append("    Active Client Fmt Chn mask Session S   Server fCount Resampling\n");
+    result.append("    Active Client Fmt Chn mask Session S   Server fCount SRate\n");
 }
 
 void AudioFlinger::RecordThread::RecordTrack::dump(char* buffer, size_t size, bool active)
 {
-    snprintf(buffer, size, "    %6s %6u %3u %08X %7u %1d %08X %6zu %10d\n",
+    snprintf(buffer, size, "    %6s %6u %3u %08X %7u %1d %08X %6zu %5u\n",
             active ? "yes" : "no",
             (mClient == 0) ? getpid_cached : mClient->pid(),
             mFormat,
@@ -2001,7 +2001,7 @@
             mState,
             mCblk->mServer,
             mFrameCount,
-            mResampler != NULL);
+            mSampleRate);
 
 }