Update prebuilt - 3.4.61 (Google GCC 4.6)

Change-Id: I64bf306e4110570fe701ff5c6f9443ec36c47395
Update prebuilt - 3.4.62 (Google GCC 4.6)

Change-Id: I3d938d59e9d2151c9018f953fbdf0bb4437e07c2
Bump to Release 7

Change-Id: Ice7594e1183dff47cae048c8625783b6b259a56e