Move all AOSP code out of recovery binary

Improves license compatibility between GPL and Apache

Change-Id: I2b165aa575bb6213af6b07936f99610c113443f0
diff --git a/install.h b/install.h
index 1943f02..5829c65 100644
--- a/install.h
+++ b/install.h
@@ -18,6 +18,7 @@
 #define RECOVERY_INSTALL_H_
 
 #include "common.h"
+#include "mincrypt/rsa.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -29,6 +30,7 @@
 // cache partition.
 int install_package(const char *root_path, int* wipe_cache,
                     const char* install_file);
+RSAPublicKey* load_keys(const char* filename, int* numKeys);
 
 #ifdef __cplusplus
 }