Update to OEMCrypto Level 3 Libraries

Merge from widevine of http://go/wvgerrit/17178

These are the OEMCrypto Level 3 libraries, built using a stable
version of GCC and build tools on nyc-dev.  Code changes are just
merged from master.  Aside from build tool updates, the CL contains a
fix for b/26567162.

Current version (as printed by oemcrypto/level3/print-version-strings):
level3/arm/libwvlevel3.a  Level3 Library 4445 Mar 17 2016 14:11:16
level3/x86/libwvlevel3.a  Level3 Library 4464 Mar 17 2016 13:14:40
level3/mips/libwvlevel3.a  Level3 Library 4465 Mar 17 2016 11:34:50

bug: 26917438
bug: 26567162
Change-Id: I07d526f28e61c5a9b66fa59b78041a93a99dc8e6

libwvdrmengine/level3/mips/Android.mk

@@ -9,7 +9,7 @@ LOCAL_SRC_FILES := level3_stubs.cpp
 LOCAL_PROPRIETARY_MODULE := true
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE_OWNER := widevine
-LOCAL_MODULE_TARGET_ARCH := mips
+LOCAL_MODULE_TARGET_ARCH := mips64
 include $(BUILD_STATIC_LIBRARY)
 
 else				# for 32 bit mips.
@@ -22,5 +22,6 @@ LOCAL_PROPRIETARY_MODULE := true
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE_OWNER := widevine
 LOCAL_MODULE_TARGET_ARCH := mips
+LOCAL_MODULE_UNSUPPORTED_TARGET_ARCH := mips64
 include $(BUILD_PREBUILT)
 endif

libwvdrmengine/oemcrypto/include/level3.h

@@ -16,6 +16,7 @@
 
 namespace wvoec3 {
 
+#define Level3_PreInitialize            _lcc00
 #define Level3_Initialize               _lcc01
 #define Level3_Terminate                _lcc02
 #define Level3_InstallKeybox            _lcc03
@@ -62,6 +63,7 @@ namespace wvoec3 {
 
 extern "C" {
 
+bool Level3_PreInitialize(const char* path);
 OEMCryptoResult Level3_Initialize(void);
 OEMCryptoResult Level3_Terminate(void);
 OEMCryptoResult Level3_OpenSession(OEMCrypto_SESSION *session);