Move legacy android support to a separate project

Newer android sdks no longer support android apis before 14. Split
the legacy support into a new project.

pkg/android/phoenix-legacy/AndroidManifest.xml

@@ -0,0 +1,41 @@
+<!-- <!DOCTYPE manifest [ <!ENTITY % versionDTD SYSTEM "../../../version.dtd"> %versionDTD; ]> !-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.retroarch.legacy"
+    android:versionCode="1556806339"
+    android:versionName="1.7.7"
+    android:installLocation="internalOnly">
+    <uses-feature android:glEsVersion="0x00020000" />
+    <uses-feature android:name="android.hardware.touchscreen" android:required="false"/>
+    <uses-feature android:name="android.software.leanback" android:required="false" />
+    <uses-feature android:name="android.hardware.gamepad" android:required="false"/>
+    <uses-sdk
+        android:minSdkVersion="9"
+        android:targetSdkVersion="16" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.VIBRATE" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@drawable/ic_launcher"
+        android:label="RetroArch"
+        android:hasCode="true"
+        android:isGame="true"
+        android:banner="@drawable/banner">
+        <meta-data android:name="com.google.android.gms.version" android:value="@integer/google_play_services_version" />
+        <activity android:name="com.retroarch.browser.mainmenu.MainMenuActivity" android:exported="true" android:launchMode="singleInstance">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+                <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
+                <category android:name="tv.ouya.intent.category.GAME" />
+            </intent-filter>
+        </activity>
+        <activity android:name="com.retroarch.browser.retroactivity.RetroActivityPast" android:exported="true" android:configChanges="mcc|mnc|locale|touchscreen|keyboard|keyboardHidden|navigation|orientation|screenLayout|uiMode|screenSize|smallestScreenSize|fontScale" android:theme="@android:style/Theme.NoTitleBar.Fullscreen" android:launchMode="singleInstance">
+            <meta-data android:name="android.app.lib_name" android:value="retroarch-activity" />
+            <meta-data android:name="android.app.func_name" android:value="ANativeActivity_onCreate" />
+        </activity>
+        <activity android:name="com.retroarch.browser.debug.CoreSideloadActivity" android:exported="true"/>
+    </application>
+</manifest>