Kenny Root a4640c082c Add some NullPointerExceptions to AndroidKeyStore
Existing KeyStore implementations throw NullPointerExceptions beacuse
the KeyStoreSpi doesn't check these arguments for null. Add in checks so
we don't accidentally check some bogus values.

Also switch a RuntimeException to a KeyStoreException

Change-Id: I18f4d4474d607cb2057ea8069b901e0992275e78
2012-08-31 16:45:24 -07:00
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