build: move Android.mk to packages/Android/

Makefile.am

@@ -35,8 +35,7 @@ winbuild/MakefileBuild.vc winbuild/Makefile.vc
 
 EXTRA_DIST = CHANGES COPYING maketgz Makefile.dist curl-config.in	\
  RELEASE-NOTES buildconf libcurl.pc.in vc6curl.dsw MacOSX-Framework	\
- Android.mk $(CMAKE_DIST) Makefile.msvc.names $(WINBUILD_DIST)		\
- lib/libcurl.vers.in
+ $(CMAKE_DIST) Makefile.msvc.names $(WINBUILD_DIST) lib/libcurl.vers.in
 
 bin_SCRIPTS = curl-config
 

docs/INSTALL

@@ -876,7 +876,7 @@ VxWorks
 Android
 =======
    Method using the static makefile:
-      - see the build notes in the Android.mk file.
+      - see the build notes in the packages/Android/Android.mk file.
 
    Method using a configure cross-compile (tested with Android NDK r7c, r8):
       - prepare the toolchain of the Android NDK for standalone use; this can

packages/Makefile.am

@@ -29,5 +29,5 @@ EXTRA_DIST = README 			\
 	Symbian/readme.txt 		\
 	TPF/curl.mak 			\
 	TPF/maketpf.env_curl 		\
-	TPF/maketpf.env_curllib
-
+	TPF/maketpf.env_curllib         \
+	Android/Android.mk