improve dumpsys SurfaceFlinger output

we now output the handle and size of all buffers of each layer.

Change-Id: I8d011ee4ae9199f4198bd07bed770ec3bcf02986

libs/gui/SurfaceTexture.cpp

@@ -965,10 +965,15 @@ void SurfaceTexture::dump(String8& result, const char* prefix,
 
     for (int i=0 ; i<mBufferCount ; i++) {
         const BufferSlot& slot(mSlots[i]);
+        const sp<GraphicBuffer>& buf(slot.mGraphicBuffer);
         snprintf(buffer, SIZE,
-                "%s%s[%02d] state=%-8s, crop=[%d,%d,%d,%d], transform=0x%02x, "
-                "timestamp=%lld\n",
-                prefix, (i==mCurrentTexture)?">":" ", i, stateName(slot.mBufferState),
+                "%s%s[%02d] "
+                "%p [%4ux%4u:%4u,%3X] "
+                "state=%-8s, crop=[%d,%d,%d,%d], "
+                "transform=0x%02x, timestamp=%lld\n",
+                prefix, (i==mCurrentTexture)?">":" ", i,
+                buf->handle, buf->width, buf->height, buf->stride, buf->format,
+                stateName(slot.mBufferState),
                 slot.mCrop.left, slot.mCrop.top, slot.mCrop.right, slot.mCrop.bottom,
                 slot.mTransform, slot.mTimestamp
         );

services/surfaceflinger/Layer.cpp

@@ -533,7 +533,7 @@ void Layer::dump(String8& result, char* buffer, size_t SIZE) const
     }
     snprintf(buffer, SIZE,
             "      "
-            "format=%2d, activeBuffer=[%3ux%3u:%3u,%3u],"
+            "format=%2d, activeBuffer=[%4ux%4u:%4u,%3X],"
             " freezeLock=%p, queued-frames=%d\n",
             mFormat, w0, h0, s0,f0,
             getFreezeLock().get(), mQueuedFrames);