AndroidDevice: WA now pushes its own sqlite3 binary

Some device have the sqlite3 binary removed. WA will now check for
this and push its own binary if necessary.

wlauto/external/sqlite/README

@@ -0,0 +1,11 @@
+For WA we use a slightly modified version of sqlite3 so that it can
+be built statically. We used the amalgamated sqlite3 version 3.12.2.
+which is under the public domain.
+
+https://www.sqlite.org/download.html
+
+Build command:
+gcc shell.c sqlite3.c -lpthread -ldl -static -O2 -fPIC -DPIC  -DSQLITE_OMIT_LOAD_EXTENSION
+
+You will need to apply the diff in static.patch
+

wlauto/external/sqlite/static.patch

@@ -0,0 +1,20 @@
+--- shell.c	2016-05-09 15:35:26.952309563 +0100
++++ shell.c.bak	2016-05-09 15:33:41.991259588 +0100
+@@ -4503,7 +4503,7 @@
+   static char *home_dir = NULL;
+   if( home_dir ) return home_dir;
+ 
++/*#if !defined(_WIN32) && !defined(WIN32) && !defined(_WIN32_WCE) \
+-#if !defined(_WIN32) && !defined(WIN32) && !defined(_WIN32_WCE) \
+      && !defined(__RTP__) && !defined(_WRS_KERNEL)
+   {
+     struct passwd *pwent;
+@@ -4512,7 +4512,7 @@
+       home_dir = pwent->pw_dir;
+     }
+   }
++#endif*/
+-#endif
+ 
+ #if defined(_WIN32_WCE)
+   /* Windows CE (arm-wince-mingw32ce-gcc) does not provide getenv()