Correctly pass number of input allocations for RS NDK BLAS. Bug: 31992305 Test: Build and CTS RsCpp test pass. Change-Id: I5d55dd3cfa1b6eff1c4d9dfa5315e7e962bf6588 (cherry picked from commit 93ddf62ab18ed17d96189a602a8cbde83712a3e9)