Replaced drawables with vectors (SVG) for TrackController.

- ic_button_pause
- ic_button_record
- ic_button_stop

drawable-svg/ic_button_record_pressed.svg

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?><!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg xmlns:cc="http://creativecommons.org/ns#"
+    xmlns:dc="http://purl.org/dc/elements/1.1/"
+    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+    height="125"
+    version="1.1"
+    viewBox="0 0 125 125"
+    width="125"
+    xmlns="http://www.w3.org/2000/svg">
+    <circle
+        cx="62.5"
+        cy="62.5"
+        fill="none"
+        r="59.984"
+        stroke="#a31a1f"
+        stroke-width="5.0319" />
+    <circle
+        cx="62.5"
+        cy="-62.5"
+        fill="url(#linearGradient934)"
+        r="50"
+        transform="rotate(90)" />
+    <circle
+        cx="62.5"
+        cy="61.5"
+        fill="#fff"
+        r="9.1892"
+        stroke="#7e3b3d"
+        stroke-width="1.6216" />
+    <defs>
+        <linearGradient
+            gradientUnits="userSpaceOnUse"
+            id="linearGradient934"
+            x1="12.5"
+            x2="112.5"
+            y1="-62.5"
+            y2="-62.5">
+            <stop
+                offset="0"
+                stop-color="#721212" />
+            <stop
+                offset="1"
+                stop-color="#a21a1f" />
+        </linearGradient>
+    </defs>
+    <metadata>
+        <rdf:RDF>
+            <cc:Work rdf:about="">
+                <dc:format>image/svg+xml</dc:format>
+                <dc:title />
+                <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+            </cc:Work>
+        </rdf:RDF>
+    </metadata>
+</svg>