Update sdk_version to current

It seems that there are no apparent reasons to keep version 8. This can
help cut unnecessary dependency to prebuilts/sdk/8.

Bug: 188068953
Test: build
Change-Id: I0d8d2b9434e1bd30215ff43aded93ef4894551b5
1 file changed
tree: f6e8ff67449a92fb9f85329325d92d5370872eac
  1. XMPCore/
  2. build.gradle
  3. METADATA
  4. MODULE_LICENSE_BSD
  5. NOTICE
  6. OWNERS