EGL: Reduce multifile blobcache limit to 32MB

Loading the larger limit is taking too long in the field for
apps that are filling the cache.

Test: Ran app until it exceeded cache, watched it reset to 50%
Bug: 290249239
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:7b13bc6d5e96b001abf648a3b28d27779874575d)
Merged-In: Ib4ec351fd5f2d59d161578440e8c0d36f8b68a6f
Change-Id: Ib4ec351fd5f2d59d161578440e8c0d36f8b68a6f
1 file changed