[magma] Add support for import and query

This change adds basic support for importing a DRM device as a magma
device and performing non-buffer queries on it.

This change also updates some identifier names to match AOSP style.

Bug: b/272307395
Test: m libgfxstream_backend
      Ran gfxstream_magma_tests
Change-Id: Iafa5bc49b6730c6e6e8d0fcef9bc02bd9cb79aba
diff --git a/stream-servers/RenderThread.cpp b/stream-servers/RenderThread.cpp
index 03aac46..90a3bd7 100644
--- a/stream-servers/RenderThread.cpp
+++ b/stream-servers/RenderThread.cpp
@@ -543,10 +543,10 @@
             // try to process some of the command buffer using the Magma
             // decoder
             //
-            if (tInfo.m_magmaInfo && tInfo.m_magmaInfo->m_magmaDec)
+            if (tInfo.m_magmaInfo && tInfo.m_magmaInfo->mMagmaDec)
             {
-                last = tInfo.m_magmaInfo->m_magmaDec->decode(readBuf.buf(), readBuf.validData(),
-                                            ioStream, &checksumCalc);
+                last = tInfo.m_magmaInfo->mMagmaDec->decode(readBuf.buf(), readBuf.validData(),
+                                                            ioStream, &checksumCalc);
                 if (last > 0) {
                     readBuf.consume(last);
                     progress = true;