Installd: Fix math overflow on quota calculation

On 32-bit devices, the hard quota size calculation could overflow that
would cause the hard quota limit size to be much lower than intended.

b/64160395

(cherry picked from commit bcb8747bcb6ab45dfefc425ca6889ebf02ae5f26)

Bug: 64160395
Test: m
Merged-In: If7b0f2a40f77bb5e5957c663999544f4ab2e69be
Change-Id: If7b0f2a40f77bb5e5957c663999544f4ab2e69be
1 file changed